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Mordenite

A valid IMA mineral species - grandfathered

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Mordenite

Selgil, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Mordenite

Puketui Road mordenite locality, Hikuai, Thames-Coromandel District, Waikato Region, New Zealand

Mordenite, etc.

Stevenson, Skamania County, Washington, USA

Mordenite

Selgil, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Mordenite

Puketui Road mordenite locality, Hikuai, Thames-Coromandel District, Waikato Region, New Zealand

Mordenite, etc.

Stevenson, Skamania County, Washington, USA

Mordenite

Selgil, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Mordenite

Puketui Road mordenite locality, Hikuai, Thames-Coromandel District, Waikato Region, New Zealand

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About MordeniteHide

Looking East from Morden

Morden, Kings Co., Nova Scotia, Canada

Formula:

(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

Colour:

Colourless, white, yellowish, pinkish

Lustre:

Vitreous, Silky

Hardness:

3 - 4

Specific Gravity:

2.12 - 2.15

Crystal System:

Orthorhombic

Member of:

Zeolite Group

Name:

For the community of Morden, Nova Scotia, the type locality.

Type Locality:

ⓘ Morden, Kings Co., Nova Scotia, Canada

Zeolite Group.

An unnamed K-dominant "mordenite" seems to exist in nature (e.g., Lo et al., 1991; Lo & Hsieh, 1991; Coombs et al., 1997; Sun et al., 2003). It is well-known as a synthetic compound.

Unique IdentifiersHide

Mindat ID:

2779

Long-form identifier:

mindat:1:1:2779:9

Similar NamesHide

Martinite	A valid IMA mineral species	(Na,◻,Ca)₁₂Ca₄(Si,S,B)₁₄B₂O₃₈(OH,Cl)₂F₂ · 4H₂O
Martinite (of Kloos)	A variety of Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)
Morvenite	A variety of Harmotome	(Ba_0.5,Ca_0.5,K,Na)₅[Al₅Si₁₁O₃₂] · 12H₂O

IMA Classification of MordeniteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O

First published:

1864

Type description reference:

How, Henry (1864) XI.—On mordenite, a new mineral from the trap of Nova Scotia. Journal of the Chemical Society, 17. 100-104 doi:10.1039/js8641700100

Classification of MordeniteHide

Strunz-mindat (2026):

9.GD.35

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H₂O; zeolite family
D : Chains of 6-membered rings – tabular zeolites

Dana 8th ed.:

77.1.6.1

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites

Hey's CIM Ref.:

16.10.15

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference for Standard
Mor	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Mor	Whitney & Evans (2010)	Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
Mor	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download
Mor	Warr (2020)	Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of MordeniteHide

Lustre:

Vitreous, Silky

Transparency:

Transparent, Translucent

Comment:

Pearly on {010}

Colour:

Colourless, white, yellowish, pinkish

Streak:

White

Hardness:

3 - 4 on Mohs scale

Tenacity:

Brittle

Cleavage:

Perfect
Perfect on {100}; distinct on {010}.

Fracture:

Irregular/Uneven

Density:

2.12 - 2.15 g/cm³ (Measured) 2.125 g/cm³ (Calculated)

Optical Data of MordeniteHide

Type:

Biaxial (+/-)

RI values:

n_α = 1.472 - 1.483 n_β = 1.475 - 1.485 n_γ = 1.477 - 1.487

2V:

Measured: 76° to 104°, Calculated: 78° to 88°

Max. Birefringence:

δ = 0.004 - 0.005
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Thickness: 30 µm Order divisions

Rotation:

Surface Relief:

Moderate (negative)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.

Focus:

In focus

Interference Figure:

This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.

Thickness: 30 µm

Stage rotation: 0°

Dispersion:

none

Optical Extinction:

X = c; Y = a; Z = b.

Chemistry of MordeniteHide

Mindat Formula:

(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

Element Weights:

Element	% weight
O	55.673 %
Si	31.525 %
Al	6.057 %
Na	5.161 %
H	1.584 %

Calculated from ideal end-member formula.

Elements listed:

Al, Ca, H, K, Na, O, Si - search for minerals with similar chemistry

Common Impurities:

Crystallography of MordeniteHide

Crystal System:

Orthorhombic

Cell Parameters:

a = 18.16 Å, b = 20.45 Å, c = 7.54 Å

Ratio:

a:b:c = 0.888 : 1 : 0.369

Unit Cell V:

2,800.14 Å³ (Calculated from Unit Cell)

Morphology:

Prismatic crystals, acicular to fine fibrous, radiating groups, cottony aggregates, compact, porcelaneous.

Comment:

Point Group: mm2 or 2/m 2/m 2/m:; Space Group: Cmc21 or Cmcm

Crystal StructureHide

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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

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CIF File Best | x | y | z | a | b | c

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0006588	Mordenite	Passaglia E, Artioli G, Gualtieri A, Carnevali R (1995) Diagenetic mordenite from Ponza, Italy European Journal of Mineralogy 7 429-438	1995	Ponza, Italy	293
0003444	Mordenite	Simoncic P, Armbruster T (2004) Peculiarity and defect structure of the natural and synthetic zeolite mordenite: A single-crystal X-ray study American Mineralogist 89 421-431	2004		293
0003443	Mordenite	Simoncic P, Armbruster T (2004) Peculiarity and defect structure of the natural and synthetic zeolite mordenite: A single-crystal X-ray study American Mineralogist 89 421-431	2004		293
0006998	Mordenite	Martucci A, Sacerdoti M, Cruciani G, Dalconi C (2003) In situ time resolved synchrotron powder diffraction study of mordenite European Journal of Mineralogy 15 485-493	2003		293
0006997	Mordenite	Martucci A, Sacerdoti M, Cruciani G, Dalconi C (2003) In situ time resolved synchrotron powder diffraction study of mordenite European Journal of Mineralogy 15 485-493	2003		293
0006996	Mordenite	Martucci A, Sacerdoti M, Cruciani G, Dalconi C (2003) In situ time resolved synchrotron powder diffraction study of mordenite European Journal of Mineralogy 15 485-493	2003		293
0006995	Mordenite	Martucci A, Sacerdoti M, Cruciani G, Dalconi C (2003) In situ time resolved synchrotron powder diffraction study of mordenite European Journal of Mineralogy 15 485-493	2003		293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Mordenite'
loop_
_publ_author_name
'Passaglia E'
'Artioli G'
'Gualtieri A'
'Carnevali R'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 7 
_journal_year 1995
_journal_page_first 429
_journal_page_last 438
_publ_section_title
;
 Diagenetic mordenite from Ponza, Italy
;
_database_code_amcsd 0006588
_chemical_compound_source 'Ponza, Italy'
_chemical_formula_sum 'K.66 Na.56 Ca.4 (Si9.96 Al2.04) O30.94 H13.88'
_cell_length_a 18.109
_cell_length_b 20.485
_cell_length_c 7.523
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2790.753
_exptl_crystal_density_diffrn      2.138
_symmetry_space_group_name_H-M 'C m c m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
KA   0.00000   0.50800   0.07700   0.33000   0.03000
NaA   0.00000   0.50800   0.07700   0.28000   0.03000
CaF   0.00000   0.47900   0.25000   0.40000   0.02300
SiT1   0.19000   0.42800   0.54300   0.83000   0.04900
AlT1   0.19000   0.42800   0.54300   0.17000   0.04900
SiT2   0.19900   0.18700   0.54200   0.83000   0.03000
AlT2   0.19900   0.18700   0.54200   0.17000   0.03000
SiT3   0.07900   0.38700   0.25000   0.83000   0.02600
AlT3   0.07900   0.38700   0.25000   0.17000   0.02600
SiT4   0.09000   0.23200   0.25000   0.83000   0.05000
AlT4   0.09000   0.23200   0.25000   0.17000   0.05000
O1   0.12800   0.39000   0.42800   1.00000   0.03100
O2   0.13000   0.19200   0.40700   1.00000   0.01000
O3   0.25800   0.37700   0.52400   1.00000   0.02900
O4   0.10100   0.31100   0.25000   1.00000   0.03800
O5   0.18600   0.20100   0.75000   1.00000   0.03400
O6   0.16500   0.42100   0.75000   1.00000   0.07900
O7   0.22300   0.50000   0.50000   1.00000   0.01700
O8   0.25000   0.25000   0.50000   1.00000   0.04500
O9   0.00000   0.42300   0.25000   1.00000   0.02000
O10   0.00000   0.23500   0.25000   1.00000   0.04500
Wat1   0.00000   0.02100   0.25000   0.46000   0.04500
Wat2   0.30000   0.25300   0.03200   0.55000   0.04500
Wat3   0.50000   0.44700   0.00000   0.63000   0.04500
Wat4   0.47800   0.08200   0.25000   0.53000   0.04500
Wat5   0.40800   0.53100   0.25000   0.98000   0.04500

X-Ray Powder DiffractionHide

Loading XRD data...

2θ (degrees) d-spacing (Å)

Data courtesy of RRUFF project at University of Arizona, used with permission.

Powder Diffraction Data:

d-spacing	Intensity
3.483 Å	(100)
3.222 Å	(100)
9.10 Å	(90)
6.61 Å	(90)
3.999 Å	(90)
3.393 Å	(90)
4.525 Å	(80)

Comments:

Aros, Isle of Mull, Scotland. Data from Harris and Brindley (1954).

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
9 : Lava/xenolith minerals (hornfels, sanidinite facies)
10 : Basalt-hosted zeolite minerals
Stage 3b: Earth’s earliest hydrosphere	>4.45
14 : Hot springs, geysers, and other subaerial geothermal minerals
16 : Low-? aqueous alteration of Hadean subaerial lithologies (see also #23)
17 : Marine authigenic Hadean minerals (see also #24)
Near-surface Processes
24 : Authigenic minerals in terrestrial sediments (see also #17)
25 : Evaporites (prebiotic)

Geological Setting:

Veins and amygdaloids in igneous rocks.

Type Occurrence of MordeniteHide

Type Locality:

ⓘ Morden, Kings Co., Nova Scotia, Canada

General Appearance of Type Material:

Rounded masses to about 5 cm, blotched with green celadonite. White, yellowish or pink, sometimes with a thin yellowish crust. With a very fine fibrous structure.

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, R4062; The Natural History Museum, London, England, 52574.

Geological Setting of Type Material:

Basalt.

Associated Minerals at Type Locality:

Apophyllite Group

Baryte

Celadonite

Reference:

How, Henry (1864) XI.—On mordenite, a new mineral from the trap of Nova Scotia. Journal of the Chemical Society, 17. 100-104 doi:10.1039/js8641700100

Synonyms of MordeniteHide

Arduinite

Ptilolite

Steelite

Other Language Names for MordeniteHide

Dutch:Mordeniet

German:Mordenit

Russian:Морденит

Simplified Chinese:光沸石
丝光沸石
发光沸石

Spanish:Mordenita

Traditional Chinese:光沸石
發光沸石
絲光沸石

Relationship of Mordenite to other SpeciesHide

Member of:

Zeolite Group

Other Members of Zeolite Group:

Alflarsenite	NaCa₂Be₃Si₄O₁₃(OH) · 2H₂O	Mon. 2 : P2₁
Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O	Mon. 2
Ammonioleucite	(NH₄)(AlSi₂O₆)	Tet. 4/m : I4₁/a
Analcime	Na(AlSi₂O₆) · H₂O	Tric. 1 : P1
Arzamastsevite	K₆Al₅Si₆O₂₀(OH)₄Cl	Tet. 42m : I42m
Bellbergite	(K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄[Al₃Si₃O₁₂]₆ · 30H₂O	Hex.
Bikitaite	LiAlSi₂O₆ · H₂O	Tric. 1 : P1
Boggsite	Ca₈Na₃(Si,Al)₉₆O₁₉₂ · 70H₂O	Orth. mmm(2/m2/m2/m) : Imma
Brewsterite Subgroup	Zeolite Group.
Chabazite-Levyne Subgroup	M[Al₂Si₄O₁₂] · 6H₂O
Chiavennite	CaMnBe₂Si₅O₁₃(OH)₂ · 2H₂O	Mon. 2/m : P2₁/b
Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O	Orth. mmm(2/m2/m2/m)
Dachiardite Subgroup	Zeolite Group.
Direnzoite	NaK₆MgCa₂(Al₁₃Si₄₇O₁₂₀) · 36H₂O	Orth. mmm(2/m2/m2/m) : Pmmn
Edingtonite	Ba[Al₂Si₃O₁₀] · 4H₂O	Orth. 222 : P2₁2₁2₁
Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Fabrièsite	Na₃Al₃Si₃O₁₂ · 2H₂O	Orth. mm2 : Pmm2
Faujasite Subgroup	M_3.5[Al₇Si₁₇O₄₈] · 32H₂O
Ferrierite Subgroup	Name used for unanalysed specimens that could be either ferrierite-K, ferrierite-Mg, ...
Ferrochiavennite	Ca_1-2Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂] · 2H₂O	Mon. 2/m : P2₁/b
Flörkeite	(K₃Ca₂Na)[Al₈Si₈O₃₂] · 12H₂O	Tric. 1 : P1
Garronite Subgroup
Gaultite	Na₄Zn₂Si₇O₁₈ · 5H₂O	Orth. mm2 : Fdd2
Gismondine Subgroup	Zeolite Group.
Gmelinite Subgroup	In 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
Gobbinsite	Na₅(Si₁₁Al₅)O₃₂ · 11H₂O	Orth. mmm(2/m2/m2/m) : Pnma
Goosecreekite	Ca[Al₂Si₆O₁₆] · 5H₂O	Mon. 2 : P2₁
Gottardiite	Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂ · 93H₂O	Orth. mmm(2/m2/m2/m) : Cmca
Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Hsianghualite	Ca₃Li₂(Be₃Si₃O₁₂)F₂	Iso. 23 : I2₁3
Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl	Tet. 42m : P42₁c
Kirchhoffite	Cs(BSi₂O₆)	Tet. 4/mmm(4/m2/m2/m) : I4₁/acd
Laumontite	CaAl₂Si₄O₁₂ · 4H₂O	Mon. 2/m : B2/m
Leucite	K(AlSi₂O₆)	Tet. 4/m : I4₁/a
Limousinite	BaCa[Be₄P₄O₁₆] · 6H₂O	Mon. 2/m : P2₁/b
Lithosite	K₆Al₄Si₈O₂₅ · 2H₂O	Mon.
Loomisite	Ba[Be₂P₂O₈] · H₂O	Mon. m
Lovdarite	K₂Na₆Be₄Si₁₄O₃₆ · 9H₂O	Orth. mm2
Maricopaite	Pb₇Ca₂(Si,Al)₄₈O₁₀₀ · 32H₂O	Orth.
Martinandresite	Ba₂(Al₄Si₁₂O₃₂) · 10H₂O	Orth. mmm(2/m2/m2/m) : Pmmn
Mazzite Subgroup	Zeolite Group.
Meierite	Ba₄₄Si₆₆Al₃₀O₁₉₂Cl₂₅(OH)₃₃	Iso. m3m(4/m32/m) : Im3m
Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O	Orth. mmm(2/m2/m2/m) : Immm
Montesommaite	(K,Na)₉Al₉Si₂₃O₆₄ · 10H₂O	Orth. mm2 : Fdd2
Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O	Mon. 2/m : P2/b
Mutinaite	Na₃Ca₄Si₈₅Al₁₁O₁₉₂ · 60H₂O	Orth. mmm(2/m2/m2/m) : Pnma
Nabesite	Na₂BeSi₄O₁₀ · 4H₂O	Orth. 222 : P2₁2₁2₁
Natrolite Subgroup	A subgroup of the Zeolite Group.
Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6m2 : P6m2
Pahasapaite	Li₈(Ca,Li,K)_10.5Be₂₄(PO₄)₂₄ · 38H₂O	Iso. 23 : I23
Parthéite	Ca₂(Si₄Al₄) O₁₅ (OH)₂ · 4H₂O	Mon. 2/m : B2/b
Paulingite Subgroup	Paulingite was originally described in 1960.
Perlialite	K₉Na(Ca,Sr)[Al₂Si₄O₁₂]₆ · 15H₂O	Hex. 6/mmm(6/m2/m2/m) : P6/mmm
Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O	Iso. m3m(4/m32/m) : Ia3d
Roggianite	Ca₂Be(OH)₂Al₂Si₄O₁₃ · 2.5H₂O	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
Rongibbsite	Pb₂(Si₄Al)O₁₁(OH)	Mon. 2/m : B2/m
Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Terranovaite	(Na,Ca)₈(Si₆₈Al₁₂)O₁₆₀ · 29H₂O	Orth.
Thomsonite Subgroup	The large majority of "thomsonite" is thomsonite-Ca.
Thornasite	Na₁₂Th⁴⁺₃(Si₈O₁₉)₄ · 18H₂O	Trig. 3m : R3m
Tschernichite	(Ca,Na₂)[Al₂Si₄O₁₂] · 4-8H₂O	Tet. 4/mmm(4/m2/m2/m) : P4/mmm
Tschörtnerite	Ca₄(Ca,Sr,K,Ba)₃Cu₃[Al₃Si₃O₁₂]₄(OH)₈ · nH₂O	Iso. m3m(4/m32/m) : Fm3m
'UM1996-38-SiO:AlCaHNa'	Na-Ca-Al-Si-O-H
'UM1999-33-SiO:AlHKNa'	K₇Na₅Al₁₂Si₂₀O₆₄ · 24H₂O
'UM2002-40-SiO:AlCaHKMgNa'	(Mg,Ca,Na,K)_7.5(Al_12.8Si_51.2)O₁₂₈ · 65H₂O	Tet. 422 : P4₁22
'Unnamed (Ca analogue of Merlinoite)'	(Ca,K,Na)₅(Ca,Ba)₂Al₉Si₂₃O₆₄ · 23H₂O ?
Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O	Mon. 2/m : B2/m
Weinebeneite	CaBe₃(PO₄)₂(OH)₂ · 4H₂O	Mon. m : Bb
Wenkite	(Ba,K)₄(Ca,Na)₆[(Si,Al)₂₀O₃₉(OH)₂](SO₄)₃ · 0.5H₂O	Hex. 6m2 : P62m
Wilancookite	(Ba₅Li₂◻)Ba₆Be₂₄P₂₄O₉₆ · 26H₂O	Iso. 23 : I23
Willhendersonite	KCa[Al₃Si₃O₁₂] · 5H₂O	Tric. 1 : P1
Yugawaralite	CaAl₂Si₆O₁₆ · 4H₂O	Mon. m : Pb

Common AssociatesHide

Associations Based on Photo Data:

189 photos of Mordenite associated with Calcite	CaCO₃
156 photos of Mordenite associated with Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
146 photos of Mordenite associated with Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
117 photos of Mordenite associated with Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
116 photos of Mordenite associated with Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
108 photos of Mordenite associated with Quartz	SiO₂
71 photos of Mordenite associated with Cavansite	Ca(VO)Si₄O₁₀ · 4H₂O
68 photos of Mordenite associated with Pentagonite	Ca(VO)Si₄O₁₀ · 4H₂O
67 photos of Mordenite associated with Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
66 photos of Mordenite associated with 'Chalcedony'	SiO₂

Related Minerals - Strunz-mindat Grouping Hide

9.GD.05	Gmelinite-Ca	Ca₂(Si₈Al₄)O₂₄ · 11H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.05	Gmelinite-K	K₄(Si₈Al₄O₂₄) · 11H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.05	Gmelinite-Na	Na₄(Si₈Al₄)O₂₄ · 11H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.10	Chabazite-Mg	(Mg_0.7K_0.5Ca_0.5Na_0.1)[Al₃Si₉O₂₄] · 10H₂O	Trig. 3m(32/m) : R3m
9.GD.10	Willhendersonite	KCa[Al₃Si₃O₁₂] · 5H₂O	Tric. 1 : P1
9.GD.10	Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Tric. 1 : P1
9.GD.10	Chabazite-K	(K₂,Ca,Na₂,Sr,Mg)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m(32/m) : R3m
9.GD.10	Chabazite-Na	(Na₂,K₂,Ca,Sr,Mg)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m : R3m
9.GD.10	Chabazite-Sr	Sr₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m(32/m) : R3m
9.GD.15	Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O	Trig. 3m(32/m) : R3m
9.GD.15	Lévyne-Na	(Na₂,Ca,K₂)[Al₂Si₄O₁₂] · 6H₂O	Trig. 3m(32/m) : R3m
9.GD.20	Erionite-Ca	(Ca,K₂,Na₂)₂[Al₄Si₁₄O₃₆] · 15H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.20	Erionite-K	(K₂,Ca,Na₂)₂[Al₄Si₁₄O₃₆] · 15H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.20	Erionite-Na	(Na₂,K₂,Ca)₂[Al₄Si₁₄O₃₆] · 15H₂O	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.GD.20	Bellbergite	(K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄[Al₃Si₃O₁₂]₆ · 30H₂O	Hex.
9.GD.25	Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6m2 : P6m2
9.GD.25	Wenkite	(Ba,K)₄(Ca,Na)₆[(Si,Al)₂₀O₃₉(OH)₂](SO₄)₃ · 0.5H₂O	Hex. 6m2 : P62m
9.GD.30	Faujasite-Ca	(Ca,Na₂,Mg)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m(4/m32/m) : Fd3m
9.GD.30	Faujasite-Mg	(Mg,Na₂,Ca)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m(4/m32/m) : Fd3m
9.GD.30	Faujasite-Na	(Na₂,Ca,Mg)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m(4/m32/m) : Fd3m
9.GD.35	Maricopaite	Pb₇Ca₂(Si,Al)₄₈O₁₀₀ · 32H₂O	Orth.
9.GD.40	Dachiardite-K	K₄(Si₂₀Al₄O₄₈) · 13H₂O	Mon.
9.GD.40	Dachiardite-Ca	(Ca,Na₂,K₂)₅Al₁₀Si₃₈O₉₆ · 25H₂O	Mon. 2/m : B2/m
9.GD.40	Dachiardite-Na	(Na₂,Ca,K₂)₅Al₁₀Si₃₈O₉₆ · 25H₂O	Mon. 2/m : B2/m
9.GD.45	Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
9.GD.50	Ferrierite-K	(K,Na)₅(Si₃₁Al₅)O₇₂ · 18H₂O	Orth. mmm(2/m2/m2/m) : Immm
9.GD.50	Ferrierite-Mg	[Mg₂(K,Na)₂Ca_0.5](Si₂₉Al₇)O₇₂ · 18H₂O	Orth. mmm(2/m2/m2/m) : Pnnm
9.GD.50	Ferrierite-Na	(Na,K)₅(Si₃₁Al₅)O₇₂ · 18H₂O	Mon. 2/m
9.GD.50	Ferrierite-NH4	(NH₄,Mg_0.5)₅(Al₅Si₃₁O₇₂) · 22H₂O	Orth. mmm(2/m2/m2/m) : Immm
9.GD.55	Bikitaite	LiAlSi₂O₆ · H₂O	Tric. 1 : P1

Other InformationHide

Thermal Behaviour:

Before the blowpipe it fuses in a good heat without any
intumescence to a glassy bead or white enamel.

Notes:

Does not gelatinize, but gives slimy silica in hydrochloric acid.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for MordeniteHide

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https://www.mindat.org/min-2779.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for MordeniteHide

Reference List:

Matýsek, D., Jirásek, J., Pour, O.: Mordenit z hornin těšínitové asociace v Podbeskydí (Morava, Česká republika). Acta Musei Moraviae, Scientiae Geologicae, 2024, 109(1), 71-82.

How, Henry (1864) XI.—On mordenite, a new mineral from the trap of Nova Scotia. Journal of the Chemical Society, 17. 100-104 doi:10.1039/js8641700100

Cross, C.W., Eakins, L.G. (1886). On ptilolite, a new mineral [from Jefferson County, Colorado]. American Journal of Science, 3(188), 117-121. (as ptilolite)

Pirsson, L.V. (1890) On mordenite. American Journal of Science, 3rd Series: 40(237): 232-237.

Cross, W., Eakins, L.G. (1892). ART. XIII.--A new occurrence of Ptilolite. American Journal of Science, 44(260), 96.

Clarke, F.W. (1892). Note on the Constitution of Ptilolite and Mordenite. American Journal of Science, 44(260), 101.

Ross, C.S., Shannon, E.V. (1924). Mordenite and associated minerals from near Challis, Custer County, Idaho. Proceedings of the United States National Museum.

Schaller, Waldemar T. (1932) Ptilolite from Utah. American Mineralogist, 17 (4) 125-127 (as ptilolite)

Waymouth, C., Thornely, P. C., Taylor, W. H. (1938) An X-ray examination of mordenite (ptilolite) Mineralogical Magazine and Journal of the Mineralogical Society, 25 (163) 212-216 doi:10.1180/minmag.1938.025.163.04

Barrer, R. M. (1948) 435. Syntheses and reactions of mordenite. Journal of the Chemical Society (Resumed), 1948. 2158-2163 doi:10.1039/jr9480002158

Harris, P. G., Brindley, G. W. (1954) Mordenite as an alteration product of a pitchstone glass. American Mineralogist, 39 (9-10) 819-824

Meier, W. M. (1961) The crystal structure of mordenite (ptilolite). Zeitschrift für Kristallographie, 115 (5). 439-450 doi:10.1524/zkri.1961.115.5-6.439

Barrer, Richard M., Klinowski, Jacek (1974) Ion exchange in mordenite. Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 70. 2362pp. doi:10.1039/f19747002362

Passaglia, E. (1975) The crystal chemistry of mordenites. Contributions to Mineralogy and Petrology, 50 (1) 65-77 doi:10.1007/bf00385222

Barrer, Richard M., Klinowski, Jacek (1975) Hydrogen mordenite and hydronium mordenite. Ion exchange and thermal stability. Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 71. 690pp. doi:10.1039/f19757100690

Pechar, F., Rykl, D. (1983) Study of the complex vibrational spectra of natural zeolite mordenites. Zeolites, 3 (4) 329-332 doi:10.1016/0144-2449(83)90177-x

Chi, Cheng-Hang, Sand, L.B. (1985) Synthesis of the large-port K-mordenite endmember: Its relation to ion-exchange theory. Zeolites, 5 (5). 309-312 doi:10.1016/0144-2449(85)90163-0

Gottardi, Glauco, Galli, Ermanno (1985) Natural Zeolites - Minerals and Rocks No. 18. Springer Berlin Heidelberg. 411 pp. doi:10.1007/978-3-642-46518-5

Alberti, A.; Davoli, P.; Vezzalini, G. (1986) The crystal structure refinement of a natural mordenite. Zeitschrift für Kristallographie, 175 (1-4). 249-256 doi:10.1524/zkri.1986.175.14.249

Lo, H.-J., Hsieh, Y.-L. (1991) High potassium natural mordenite and the chemical variation of mordenite. Proc. Geol. Soc. China (Taiwan): 34: 305-312.

Lo, H.-J., Song, S.-R., Wen, S.-B. (1991) High potassium mordenite in the andesite from the Coastal Range, eastern Taiwan. Proc. Geol. Soc. China (Taiwan): 34: 293-304.

Bychov, A.M., Khramov, D.A., Vorob'eva, I.G., Kuznetsova, T.P., Senderov, E.E. (1992) Synthesis, X-ray diffraction, and Moessbauer study of potassium ferrialuminosilicate mordenites. Geokhimiya: 6: 813-820.

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.pp.336-351

Passaglia, Elio, Artioli, Gilberto, Gualtieri, Alessandrο, Carnevali, Roberta (1995) Diagenetic mordenite from Ponza, Italy. European Journal of Mineralogy, 7 (2) 429-438 doi:10.1127/ejm/7/2/0429

Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, et al. (1997) Recommended nomenclature for zeolite minerals; report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (6). 1571-1606

(2001) Mordenite. Handbook of Mineralogy. Mineralogical Society of America

Sun, S., Liu, H., Xu, Z., Hu, W. (2003) Study of mineral characteristics and physical-chemical properties of Muling zeolite deposit, Heilongjiang Province. Geology and Prospecting: 39(2): 40-45.

Cressey, G. (2004) W.A. Deer, R.A. Howie, W.S. Wise and J. Zussman. Rock-Forming Minerals. Volume 4B. Second Edition. Framework Silicates: Silica Minerals, Feldspathoids and the Zeolites. London (The Geological Society) 2004, xv + 982 pp. £125 (£62.50 to GSL members) ISBN 1-86239-144-0. Hardback. Mineralogical Magazine, 68 (5) 831-832 doi:10.1180/0680831pp.401-407

Simoncic, Petra, Armbruster, Thomas (2004) Peculiarity and defect structure of the natural and synthetic zeolite mordenite: A single-crystal X-ray study. American Mineralogist, 89 (2) 421-431 doi:10.2138/am-2004-2-323

Korkuna, O., Leboda, R., Skubiszewska-Zięba, J., Vrublevs’ka, T., Gun’ko, V.M., Ryczkowski, J. (2006) Structural and physicochemical properties of natural zeolites: clinoptilolite and mordenite. Microporous and Mesoporous Materials, 87 (3). 243-254 doi:10.1016/j.micromeso.2005.08.002

Kawame, N., Ikuta, D., Kanazawa, H., Ito, K., Gunter, M. E., Boisen, M. B., Tamada, O. (2007) Superstructure of Challis mordenite with doubled monoclinic unit cell. American Mineralogist, 92 (5) 892-897 doi:10.2138/am.2007.2345

Giordani, Matteo, Ballirano, Paolo, Pacella, Alessandro, Meli, Maria Assunta, Roselli, Carla, Di Lorenzo, Fulvio, Fagiolino, Ivan, Mattioli, Michele (2022) Another Potentially Hazardous Zeolite from Northern Italy: Fibrous Mordenite. Minerals, 12 (5) 627 doi:10.3390/min12050627

Localities for MordeniteHide

Showing 537 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Antarctica
East Antarctica Victoria Land ⓘ Mount Adamson	AmMin 82:423 +1 other reference
West Antarctica Antarctic Peninsula South Shetland Islands King George Island ⓘ Admiralty Bay	Birkenmajer K. et al. (1989)
ⓘ Fildes peninsula	Soto et al. (2014)

Arctic Ocean
Norwegian Sea Mohns Ridge Jan Mayen vent fields ⓘ Troll Wall vent	Kravchishina et al. (2023)

Argentina
Chubut Province Futaleufú Department ⓘ Esquel	Jorge Dascal (Patagonia Minerals)
Santa Cruz Province Deseado Department Bosques Petrificados de Jaramillo National Park ⓘ Cerro Madre e Hija	Aliotta et al. (Santa Cruz)

Australia
Queensland Rockhampton Region Wycarbah ⓘ Mount Hay	Collection of RJ Martin
Tasmania Huon Valley municipality Huon-Channel region ⓘ Cygnet district	Taheri
ⓘ Macquarie Island	Bottrill et al. (2008)

Austria
Carinthia Klagenfurt am Wörthersee Ehrentaler Berg ⓘ A2 Highway tunnel	Niedermayr et al. (1993) +1 other reference
Wölfnitz ⓘ A2 Highway tunnel (Falkenberg tunnel)	Niedermayr et al. (1995)
Salzburg Tamsweg District Sankt Michael im Lungau Fell ⓘ Fellergraben	Strasser (1989)
Styria Bruck-Mürzzuschlag District Kapfenberg Tanzenberg ⓘ S6 motorway tunnel (Tanzenberg tunnel)	Postl et al. (1983) +2 other references
Deutschlandsberg District Wies Wernersdorf ⓘ Weiße Sulm	Exel (1993)
Leibnitz District Oberhaag Lieschengraben ⓘ Aldrian quarry (Hofstatt quarry)	Taucher et al. (1992) +1 other reference
Südoststeiermark District Bad Gleichenberg ⓘ Borehole St W2	Postl et al. (1996)
Wilhelmsdorf ⓘ Stradner Kogel	Postl et al. (2005)
Feldbach Mühldorf bei Feldbach ⓘ Steinberg	Postl et al. (1996)

Brazil
Paraná ⓘ Pato Branco	Fernando Brederodes
Rio Grande do Sul Caxias do Sul ⓘ Monte Bérico	Fernando Brederodes Collection
Estância Velha ⓘ Incopel quarry	Frank (2008)
ⓘ Iraí	Jolyon Ralph
Santa Catarina Arroio Trinta ⓘ SC-453 road cut	Bergmann (2009)
ⓘ Herval d'Oeste	Mason et al. (1954)
ⓘ Tangará	Bergmann (2009)
ⓘ Treze Tílias	Bergmann (2009)
São Paulo Pederneiras Pederneiras ⓘ Nova Fortaleza quarry	Reynaldo Contreira collection
Serrana ⓘ Serrana quarry	Ruiz (2001)

Bulgaria
Haskovo Province Svilengrad Municipality Mezek ⓘ Mezek complex	Aleksiev et al. (2000) +2 other references
Kardzhali Province Kardzhali Municipality Beli Plast ⓘ Beli Plast complex	Zendelska et al. (2018)
Krumovgrad Municipality ⓘ Zlatolist	Marcus Voigt Collection +1 other reference
Momchilgrad Municipality ⓘ Zvezdel	Tschernich (1992)
ⓘ Dachiardite-K occurrence	Encheva
Pazardzhik Province ⓘ Panagyurishte Municipality	Bogdanov et al. (2004)
Veliko Tarnovo Province Lyaskovets Municipality ⓘ Lyaskovets	Георгиев et al. (ИЗТОЧНИ РОДОПИ)

Canada
Nova Scotia Annapolis Co. ⓘ Margaretsville	Walker et al. (1922) +1 other reference
Cumberland Co. ⓘ Cape d'Or (Cap d'Or)	Sabina (2015)
Kings Co. ⓘ Arlington quarry	Pe-Piper (2000)
ⓘ Black Rock	glaciation +1 other reference
ⓘ Canada Creek	Sabina (1964)
ⓘ Cape Blomidon	Tschernich (1992)
ⓘ Cape Split	How (1878)
ⓘ Chipman Brook	glaciation +1 other reference
ⓘ Halls Harbour	glaciation +1 other reference
ⓘ Harbourville	Tschernich (1992)
ⓘ Morden (TL)	How (1864) +2 other references
ⓘ Ross Creek	Pe-Piper (2000)
ⓘ Ross Creek (east)	Can Min 38:1215-1232
ⓘ Woodworth Cove	Can Min 38:1215-1232
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	Horváth et al. (2019)
Lajemmerais RCM Varennes & St-Amable Saint-Amable sill ⓘ Demix-Varennes quarry	HORVÁTH (2010)
Montréal ⓘ Francon quarry	176-178. +3 other references
ⓘ Miron Quarry	Horváth collection - XRD & EDS
Montréal-Est ⓘ Lafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry)	Horváth Collection - confirmed by XRD

China
Hebei Zhangjiakou Chicheng County ⓘ Dushikou	Xianqiong Wang et al. (1993)
Heilongjiang Mudanjiang Muling City ⓘ Muling zeolite deposit	Shouting Zhang et al. (2004) +1 other reference
Inner Mongolia Xilingol League (Xilinguole Prefecture) Duolun County ⓘ Baishitou Goukou	Jia Li et al. (1998)
ⓘ Erdengquan	Jia Li et al. (1998)
Jilin Changchun Jiutai Co. ⓘ Yinkuangshan zeolite deposit	Zhixian Liu (1985)
Zhejiang Lishui Jinyun County ⓘ Huzhen basin	Shugen Zhang et al. (2006)

Costa Rica
Alajuela Province Atenas Canton Atenas District ⓘ La Garita Bridge Quarry	Zeledón (2004)
Sarchí Canton ⓘ Poás Volcano	Rodríguez et al. (2017)
San José Province Acosta Canton ⓘ Guaitil District	Tschernich (1992)
ⓘ Guaitil	Zeledón (2004)
ⓘ La Cruz	Zeledón (2004)
Puriscal Canton Candelarita District ⓘ Bajo Chacones de Puriscal	Zeledón (2004)
ⓘ Pedernal Road cuts	Micro Probe Volume VII Number 7 Spring ... +1 other reference
ⓘ Quebrada Grande de Desamparaditos de Puriscal	Zeledón (2004)
Santiago District ⓘ Pozos de Puriscal	Zeledón (2004)
ⓘ Tajo Cóncavas	Zeledón (2004)

Cyprus
Larnaca District Athienou ⓘ Avhellero (Avdellero)	Prüfer (2011)
Troulloi ⓘ Basalt quarry ?	Prüfer (2012)
Paphos District Agios Nikolaos ⓘ Hill side rock outcrops W of Elias bridge	Psersonal communication

Czech Republic
Hradec Králové Region Jičín District Železnice Doubravice ⓘ Doubravice quarry	Zeman +4 other references
Liberec Region Semily District Levínská Olešnice ⓘ Žďár	Vlček et al. (1979)
Lomnice nad Popelkou ⓘ Morcínov	Pauliš
Radostná pod Kozákovem ⓘ Votrubec quarry	Pauliš
Moravian-Silesian Region Frýdek-Místek District Fryčovice ⓘ Basaltoid Rock Outcrops	Matýsek et al. (2024)
Nový Jičín District Nový Jičín Straník ⓘ Teschenite Association Rocks Outcrops	Matýsek et al. (2024)
Straník ⓘ Straník teschenite occurrence	Matýsek et al. (2024)
Pardubice Region Svitavy District Svojanov (Swojanow) ⓘ Svojanov quarry (Swojanow quarry)	Rychlý et al. (1996)
Ústí nad Labem Region Děčín District Děčín Folknáře ⓘ ~~Pustý Vrch~~	Petr Fuchs
Zlín Region Vsetín District Choryně ⓘ Bečva river outcrops ?

Ecuador
Guayas Province Guayaquil Canton ⓘ Guayaquil	R. S. Bowman and S. E. Delap (Eds.)
Isidro Ayora Canton ⓘ Isidro Ayora	R. S. Bowman and S. E. Delap (Eds.)
Santa Elena Province Manglaralto Canton ⓘ Ayampe River	R. S. Bowman and S. E. Delap (Eds.)

Ethiopia
Afar Region ⓘ Tendaho geothermal field	Gebregziabher (1998)

Faroe Islands
Eysturoy Region Eiði Municipality Eiði ⓘ Ljósá Quarry ?	- (2011, November)
Norðoyar Region Klaksvíkar Municipality ⓘ Klaksvik	Knut Edvard Larsen collection # 434
Sandoy Region Húsavíkar Municipality Dalur ⓘ Dalsnipa	Tschernich (1992)
Streymoy Region Streymoy ⓘ Kaldbaksbotnur	Zeolite collection of Volker Betz
ⓘ Kvívík	Tschernich (1992)
Vestmanna ⓘ Vestmanna 1 borehole	Jørgensen (2006)

Finland
South Ostrobothnia Alajärvi ⓘ Hietakangas	Kinnunen
Lappajärvi ⓘ Lappajärvi meteorite crater	Lehtinen

France
Auvergne-Rhône-Alpes Haute-Loire Le Puy-en-Velay Saint-Pierre-Eynac ⓘ Mont Peylenc quarry	Galli et al. (2008)
Rhône Villefranche-sur-Saône Saint-Didier-sur-Beaujeu ⓘ Creuzeval Quarry	Chollet Pascal Collection
French Southern and Antarctic Lands Kerguelen Islands ⓘ Grande Terre island	Giret et al. (1992)
Guadeloupe Basse-Terre Vieux-Habitants ⓘ Bouillante geothermal field	Mas et al. (2006)
ⓘ Martinique	D. Westercamp and H Taziefff (1980)
ⓘ Réunion	Lebocey et al. (2011)
ⓘ Cilaos	Nativel (1986)
ⓘ Piton des Neiges Massif	Nativel (1986)

Georgia
Kvemo Kartli ⓘ Bolnisi District	M. et al. (2019)

Germany
Hesse Darmstadt Darmstadt-Dieburg Mühltal Nieder-Ramstadt ⓘ Wingertsberg Quarry	PETITJEAN collection +1 other reference
Kassel Region Schwalm-Eder Felsberg Rhünda ⓘ Mondschein quarry	Collection of Walter Göttler
Rhineland-Palatinate Kusel Lauterecken-Wolfstein Kreimbach-Kaulbach ⓘ Andesite quarry	www.mineralienfreunde-der-pfalz.de (n.d.)
Saarland Sankt Wendel Freisen ⓘ Becker Quarry	Thomas Kleser collection / G. Müller ...

Greece
North Aegean ⓘ Samos	Pe-Piper G (1991)
Western Samos ⓘ Karlovassi basin	Stamatakis (1989) +1 other reference
South Aegean Milos Kimolos ⓘ Kimolos Island	www.ingentaconnect.com (n.d.) +1 other reference
ⓘ Prassa Quarry (Bentomine S.A. Quarry)	Godelitsas +1 other reference

Greenland
Qeqertalik Disko Island ⓘ Skansen	Collection of the Mineralogical Museum +1 other reference

Hungary
Borsod-Abaúj-Zemplén County Gönc District Abaújszántó ⓘ Süveges Hill	Szakáll: Topographia Mineralogica ...
Miskolc District Miskolc Miskolc-Bükkszentlászló ⓘ Serfőző Brook Valley	Szakáll et al. (1996)
Sátoraljaújhely District Bózsva ⓘ Senyő Valley	Szakáll et al. (1996)
Nagyhuta ⓘ Borzás	Szakáll et al. (1996)
ⓘ Káváskúti Valley	Szakáll et al. (1996)
ⓘ Nyíri	GEODA/2004
Szerencs District ⓘ Mád	Society of Economic Geologists Student Chapter University of Miskolc (2018)
Király Hill ⓘ Suba quarry	Society of Economic Geologists Student Chapter University of Miskolc (2018)
Megyaszó ⓘ Hosszú Hill	Szakáll et al. (1996)
Rátka ⓘ Quarry by the railway	Zoltán Kriston
Tokaj District ⓘ Bodrogkeresztúr	Pécsi-Donáth et al. (II)
Heves County Gyöngyös District ⓘ Gyöngyösoroszi
ⓘ Bagolyvár-Furmin
ⓘ Jegykő brook valley	Szakáll & Jánosi. Minerals of Hungary
ⓘ Károlyvár	GEODA
Gyöngyössolymos ⓘ Száraz-patak	collected by Ferenc Kovács in 2006.
Gyöngyöstarján ⓘ Csege brook Valley	Geoda
ⓘ Füledugó Quarry	GEODA/2000
ⓘ Köves Hill	Sándor et al. (2005)
Markaz ⓘ Mraznica-tető-Sas-kő	www.mineral.hermuz.hu (2003)
ⓘ Mátraszentimre	Szakáll (2002)
ⓘ Teréz Hill	Sándor et al. (2005)
ⓘ Mátraszentistván	gportal.hu (2008)
Mátraszentlászló ⓘ Gyökeres Hill
ⓘ Oszicsinszki Hill	GEODA/2005
Pétervására District Recsk ⓘ Csákány kő	Sándor et al. (2005)
Pest County Szob District ⓘ Nagybörzsöny	Koch (1985)

Iceland
Eastern Region ⓘ Breiðdalur- Berufjörður area	Betz (1981)
Fjarðabyggð Breiðdalsvík ⓘ Djupidalur	Betz (1981)
Eskifjörður ⓘ Tunnel Norðfjörður	Personally collected by Günter Frenz
Neskaupstaður ⓘ Quarry at Oddskarðsvegur	Personally collected by Günter Frenz
Reyðarfjörður ⓘ Reydarfjördur drill hole	Viereck et al. (1982)
Múlaþing Djúpavogshreppur Berufjörður Berufjarðará Valley ⓘ Vagnabrekka	Collection of Volker Betz
ⓘ Fossárfell	Zeolite collection volker Betz
ⓘ Mjósumelar	Zeolite collection of Volker Betz
ⓘ Selgil	Volker Betz zeolite collection (Ex Björn Mamat collection)
ⓘ Teigarhorn	Neuhoff et al. (1999)
Hamarsfjörður ⓘ Roadcut road no. 1 near Skerfi	Personally collected by Günter Frenz
Seyðisfjörður ⓘ Austdalur	Personally collected by Günter Frenz
ⓘ Hvalfjörður	Selbekk et al. (2004) +1 other reference
Northeastern Region Svalbarðsstrandarhreppur ⓘ Vaðlaheiði Tunnel	Personally collected by Günter Frenz
Þingeyjarsveit Skútustaðahreppur Myvatn ⓘ Krafla Volcano	Tamjidi
Southern Peninsula Grindavíkurbær ⓘ Trolladyngja	none
ⓘ Sog valley	Jamison Turnbull's collection
Southern Region Grímsnes- og Grafningshreppur ⓘ Nesjavellir geothermal field	Kristmannsdottir et al. (1978)
Western Region Skorradalshreppur Skorradalur ⓘ Hestháls (Hestfjall)	Betz (1981)

India
Maharashtra ⓘ Chhatrapati Sambhajinagar Division (Aurangabad Division)	Richard Dale Collection +1 other reference
ⓘ Aurangabad - Jalna area	Philip Bluemner Collection
Chhatrapati Sambhajinagar District (Aurangabad District) ⓘ Kannad	Fabre (n.d.)
Latur District ⓘ Killari	Eur. Jour. Min. 13 (2001)
Konkan Division Raigad District ⓘ Karjat	Specimens received from Salim Tyebjee
Nashik Division ⓘ Ahilyanagar District	Schwab (1998)
Sangamner ⓘ Sakur (Shakur; Chakur; Sakhur)	Jacques Malassé specimen (Fassi Maki locality ID) +1 other reference
ⓘ Sakur Quarry	Richard Dale Collection
ⓘ Jalgaon District	Arliguie M collection
ⓘ Chalisgaon	David J. Eicher specimen
Jamner ⓘ Unnamed basalt locality	Gotze +7 other references
Sawade Pr Chandsar ⓘ Savda	Gotze +9 other references
Nashik District Sinnar ⓘ Mahodari quarry ?	Arnav Khokarale Collection
Pune Division Pune District ⓘ Andy	Moore (2019)
ⓘ Chakan	www.exceptionalminerals.com
ⓘ Kothrud	Arnav Khokarale Collection
Lonavala ⓘ Lonavala Quarry	Praszkier et al. (2007) +1 other reference
Maval Talegaon Dabhade ⓘ Indori ?	Praszkier (2009)
ⓘ Pashan	Rock Currier
ⓘ Pashan Road roadcuts	Jean-Guillaume Soulé photo
Pirangut ⓘ Kurade Quarry	Jolyon Ralph collection.
ⓘ Rajgurunagar	Arnav Khokarale Collection
ⓘ Wagholi	Praszkier (2009)
ⓘ Wagholi Quarries	Lavinsky (n.d.) +1 other reference

Indian Ocean
Ninety East Ridge (90° E Ridge; Indian Ridge) D.S.D.P. Leg 26 ⓘ Site 253	D. Besse et al.
ⓘ Rodrigues triple junction	Herzig et al. (1988)

Indonesia
East Java Province ⓘ Trenggalek Regency	Takahashi et al. (2014)

Iran
Qom Province ⓘ Kahrizak Mountains	KOUSEHLAR et al. (2012)

Italy
Campania Metropolitan City of Naples ⓘ Procida Island	Russo (2008) +1 other reference
Lazio Latina Province Ponza Ponza Island ⓘ Cala Fontana old quarry	Passaglia et al. (1995)
Metropolitan City of Rome Capital ⓘ Tolfa Mountains District	Giovanni Scapin Collection
Sardinia Metropolitan City of Cagliari Pula ⓘ Capo di Pula (Capo Pula; Nora)	Pongiluppi (1974) +2 other references
ⓘ Sant' Efisio Tower (Punta del Coltellazzo)	Pongiluppi (1974) +1 other reference
ⓘ Punta Santa Vittoria	De Michele (1974) +1 other reference
ⓘ Viale Europa roadcut	Pongiluppi et al. (1974)
Oristano Province Asuni ⓘ Asuni tuffite outcrops	Mormone et al. (2020)
ⓘ Pardu (Pixina Pardu)	Mormone +1 other reference
ⓘ Bosa	Preite (2003)
ⓘ Cape Marrargiu	Calanchi N. et al. (1980)
ⓘ Montresta	Preite (2003)
Senis ⓘ Pranu (Pranu Pirastru)	Mormone +1 other reference
Sassari Province ⓘ Anglona	Ghiara M.R. et al. (1999)
ⓘ Nulvi	Gamboni et al. (2012)
ⓘ Iscoba Mt	Cuccuru et al. (2012)
Osilo ⓘ Crastu Muradu Quarry	Preite (2003)
South Sardinia Province ⓘ Monastir	Preite (2003)
ⓘ Mt Oladri Quarries	Preite (2003)
ⓘ Ugas Quarry	Fabre (n.d.)
Trentino-Alto Adige/Südtirol South Tyrol ⓘ Seiser Alm (Alpe di Siusi)	Vezzalini G. (1975) +1 other reference
Trento Province Brentonico ⓘ Sorne Valley	Masetto et al. (1997)
Campitello di Fassa ⓘ Duron Valley	Vezzalini G. (1975) +1 other reference
Canal San Bovo Vanoi Valley Pralongo ⓘ Pralongo granite quarry (Pralongo Quarry; Grisotto Quarry)	Ferretti et al. (2015)
ⓘ Isera	Bortolozzi (n.d.)
Mazzin ⓘ Ciamol Alp (La Busa)	Exel (1987)
ⓘ Dona Valley	Lorenz (2002)
ⓘ Ponjin - Fostiac Alp	Lorenz (2002) +2 other references
ⓘ Drio le Pale (Do' le Pale; Do' le Pele)	De Michele (1974) +7 other references
Mori Besagno ⓘ Armelle	Masetto et al. (1997)
San Giovanni di Fassa ⓘ Giumela Valley (Giumella Valley)	Exel (1987)
ⓘ San Nicolò Valley	Exel (1987)
ⓘ Le Masonade (Majonade)	Exel (1987)
ⓘ Sass d'Adam	Exel (1987)
ⓘ Sass di Porcel	Exel (1987)
Tuscany Livorno Province Campo nell'Elba ⓘ San Piero in Campo	Orlandi et al. (1985)
ⓘ Fonte del Prete	Orlandi P. & Pezzotta (1996)
ⓘ La Speranza (Pisani's Quarry)	Orlandi P. & Pezzotta (1996)
ⓘ Rosina vein (Rosina pegmatite)	Pezzotta et al. (1996)
Veneto Belluno Province Canale d'Agordo ⓘ Garés Valley	De Robertis et al. (1971) +1 other reference
ⓘ Cimon della Stia southeast slope	De Robertis et al. (1971) +1 other reference
ⓘ Col di Boi (Col dei Boi)	De Robertis et al. (1971) +1 other reference
ⓘ Garés waterfalls (Comelle waterfalls)	De Robertis et al. (1971) +1 other reference
Falcade Focobon Valley ⓘ Cimon della Stia north slope (Lo Scalon)	AA. VV. (1993)
Rocca Pietore Pettorina Valley Malga Ciapéla area ⓘ Fedaia Pass-Mt. Padòn region	Giordano D. (2008)
ⓘ Ombretta Valley	Giordano D. (2008)
Sottoguda-Palue area ⓘ Ru Franzei	Brigatti M.F. (1971) +1 other reference
Padova Province Cinto Euganeo Faedo Monte Fasolo ⓘ Case Berton Quarry	Passaglia et al. (1995) +2 other references
Galzignano Terme ⓘ Monte delle Basse	Fabio Tosato et al. (2024)
Vicenza Province San Pietro Mussolino ⓘ Bertocchi quarry (ex Alvese quarry)	Studi e Ricerche - Associazione Amici del Museo - Museo Civico "G.Zannato" Montecchio Maggiore (VI)
Schio Tretto ⓘ San Rocco di Tretto (San Rocco)	Boscardin et al. (1989) +1 other reference
Torrebelvicino Mercanti Valley ⓘ Zuccanti Valley	De Michele (1974) +1 other reference
Velo d'Astico ⓘ Contrada Costa	Daleffe et al. (1997) +2 other references

Japan
Akita Prefecture ⓘ Kazuno City	Yotaro Seki (1973)
Odate ⓘ Fukasawa mine (Fukazawa mine)	Shikazono et al. (1998)
ⓘ Hitorizawa	Yohei Ishikawa (1990)
Aomori Prefecture Kamikita District ⓘ Kamikita mine	INOUE et al. (1991)
Ehime Prefecture Kamiukena District ⓘ Makinokawa quarry	Yamada (2004)
Fukushima Prefecture Minamisōma City ⓘ Jisabara	Atsushi ISHIHARA +1 other reference
Gifu Prefecture Mizunami City Tsukiyoshi uranium ore deposits ⓘ Tono mine (Tohno mine)	Shikazono et al. (1997)
Hokkaidō Prefecture Oshima Subprefecture ⓘ Kameda Peninsula	Watanabe et al. (1996)
Tokachi Subprefecture Obihiro City ⓘ Nukabira	Hiroshi KONNO and Morihiro AOKI (1977)
Hyogo Prefecture Yabu City Oya-cho ⓘ Akenobe mine	Yamada (2004)
Ishikawa Prefecture ⓘ Oshirakawa geothermal field	Yotaro Seki (1973)
Iwate Prefecture Iwate District ⓘ Arasawa	Sadanaga et al. (1974)
Kagoshima Prefecture Aira District ⓘ Onoyama gold mine	- (n.d.)
Hishikari gold mine ⓘ Main deposit	Ibaraki et al. (1991)
Kanagawa Prefecture Ashigarashimo District ⓘ Yugawara	- (n.d.)
Miyagi Prefecture ⓘ Onikobe geothermal field	Seki et al. (1968) +1 other reference
Sendai City ⓘ Shirasawa	- (n.d.)
Shiroishi City ⓘ Hirogawara	- (n.d.)
Nagano Prefecture Nagano City Matsushiro Toyosaka ⓘ Hokiya-dake	Smithsonian specimen.
Nagasaki Prefecture ⓘ Hirado City	Petrov (n.d.)
Niigata Prefecture Niigata City ⓘ Maze (Mazé)	Tschernich (1992)
Osudo ⓘ Murakami sericite deposit	29:179-186 +1 other reference
Shizuoka Prefecture Izu City ⓘ Seikoshi mine
Kamo district ⓘ Kawazu	R. Tanaka specimen
ⓘ Ikadaba	Yamada (2004)
ⓘ Yanda	Well represented in numerous japanese ... +1 other reference
Tokyo Metropolis Ogasawara Subprefecture Ogasawara Islands Chichijima Group ⓘ Chichi Island (Chichijima)	Petrov (n.d.) +1 other reference
ⓘ Kita-hatsuneura (2)	Mineralogical Journal Vol. 11 (1982)
ⓘ Susaki	Mineralogical Journal Vol. 11 (1982)

Jordan
Irbid Governorate Maqarin area ⓘ Yarmouk river	Khoury et al. (1985)

Madagascar
Sava Sambava District Ambohimalaza Commune Ambariomiambana ⓘ Basalt Quarry	Praszkier (2010)

Mexico
Chihuahua Ahumada Municipality ⓘ Sierra del Gallego	Schlüter (1993)
Aldama Municipality ⓘ Las Choyas	Cross (2006)
Guanajuato San Felipe Municipality ⓘ Chichindaro	Kshirsagar et al. (2021)

New Zealand
Auckland Region Wainui ⓘ Flat Top Quarry	1987 NZ Micro-Mineral Group field trip ...
Bay of Plenty Region ⓘ Mayor Island (Tuhua)	Buck et al. (1981)
Rotorua District ⓘ Waiotapu (Wai-O-Tapu)	Hedenquist et al. (1985) +1 other reference
Canterbury Region Ashburton District Rangitata Valley ⓘ Stew Point Station	Essence of Microscope
Christchurch City ⓘ Banks Peninsula	Tim Saunderson
Selwyn District ⓘ Rakaia Gorge	Thornton (Ed.) +1 other reference
New Zealand Outlying Islands Kermadec Islands ⓘ Brothers Volcano	Martin et al. (2023)
Northland Region Far North District ⓘ Kawerua	Rod Martin Collection
Waikato Region Hauraki District Waitekauri ⓘ Jasper Creek prospect	Simpson et al. (2011)
ⓘ Scimitar prospect	Simpson et al. (2011)
ⓘ Scotia deposit	Simpson et al. (2011)
ⓘ Teutonic Mine	Simpson et al. (2011)
Taupo District Atiamuri ⓘ Ongaroto Road	Collection of RJ Martin
ⓘ Lake Taupo	Brathwaite et al. (2021)
ⓘ 3 Mile Bay	GEOLOGY AND Stuart J A Brown
ⓘ Whakaipo Bay	Collection of RJ Martin correlated to ...
ⓘ Wharewaka	Collection of RJ Martin
ⓘ Ohakuri East prospect	McDonald et al. (1988)
ⓘ Ohakuri prospect	Rowland et al. (2012)
Wairakei ⓘ Lake Rotokawa	Krupp et al. (1987)
ⓘ Ngatamariki thermal area (Pavlova Spring)	Chambefort et al. (2017)
Thames-Coromandel District ⓘ Coromandel peninsula
ⓘ Fletcher Bay	Brathwaite
Hikuai ⓘ Puketui Road mordenite locality	The MicroScope et al. (ed.) +1 other reference
Tairua River ⓘ 4th Branch	Collection of RJ Martin
ⓘ Kauaeranga Valley	Collection of RJ Martin correlated to ...
ⓘ Tairua	Roger Sedgwick specimen +1 other reference
Whangamata ⓘ Luck at Last Mine	Collection of Rod Martin
ⓘ Wharekawa River	Collection of RJ Martin
Wellington Region South Wairarapa District ⓘ Ngahape	Collection of RJ Martin

Nicaragua
Boaco Department ⓘ Boaco	Tschernich (1992)
Chontales Department ⓘ La Libertad	Darce (1990)
Estelí Department ⓘ Estelí	Tschernich (1992)

North America
ⓘ Bay of Fundy	182-183. +1 other reference

Pacific Ocean
Woodlark Basin ⓘ Cheshire Seamount	Vishiti et al. (2014)

Philippines
Luzon Ilocos Region Pangasinan Province Mangatarem ⓘ Saile Mine	Olegario-Sanchez et al. (2017, December)

Portugal
Lisbon ⓘ Lisbon	Martins da Pedra collection
Sintra Almargem do Bispo，Pêro Pinheiro e Montelavar ⓘ Penedo do Lagarto quarry	Rui Nunes collection 2011/2012
Pêro Pinheiro e Montelavar Almargem do Bispo ⓘ Negrais	Alexandre Pedroso collection

Romania
Cluj County Săndulești Copăceni ⓘ Metabasalt quarry	Stremtan (2006)
Maramureș County ⓘ Seini	Own found 2006

Russia
Kamchatka Krai Bystrinsky District Central Kamchatka mining district ⓘ Aginskoe Au deposit (Aginskoye deposit)	Okrugin et al. (2015)
Baranyevskoe ore field ⓘ Baranyevskoe deposit	Okrugin et al. (2015)
Koryak Okrug Karaginsky District ⓘ Evevpenta ore occurrence	Anastasiya SERGEEVA (2023)
ⓘ Yagodninskoe zeolite deposit	Pavel M. Kartashov analytical data (1984) +1 other reference
Yelizovsky District ⓘ Asachinskoe deposit	Okrugin et al. (2015)
Kronotsky Reserve ⓘ Uzon Caldera	Active Volcanoes of Kamchatka
ⓘ Valley of Geysers	Sergeeva et al. (2019)
ⓘ Bolshoy geyser	Sergeeva et al. (2019)
ⓘ Mutnovskoe	Okrugin et al. (an Example of Mutnovsky Geothermal Area, Southern Kamchatka) +1 other reference
ⓘ Rodnikovoe	Okrugin et al. (2015)
Khabarovsk Krai Ayano-Maysky district ⓘ Konder alkaline-ultrabasic massif	Lennikov et al. (2004)
Krasnoyarsk Krai Evenkiysky District Nizhnyaya Tunguska River Basin ⓘ Amudikha River	Krzysztof Andrzejewski ( https://www.mindat.org/mesg-613516.html ) +1 other reference
ⓘ Babkino quarry	Levitsky (webmineral.ru)
ⓘ Krutoye	in collection of Fersman Mineralogical ...
ⓘ Levoberezhnoe Iceland spar deposit	Chukanov et al. (2003)
ⓘ Nidym River	Kievlenko et al. (1987)
Sakha Aldan ⓘ Lebedinoe Au Deposit (Nezametnyi Mine)	Shcheka et al. (2006)

Slovakia
Banská Bystrica Region Banská Štiavnica District ⓘ Banský Studenec	Koděra et al. (1986)
Žiar nad Hronom District ⓘ Jastrabá	Koděra et al. (1986)
Košice Region Sobrance District ⓘ Remetské Hámre	Bacsó
Trebišov District ⓘ Brezina	Pauliš et al. (2002) +1 other reference
ⓘ Byšta	Koděra
Kuzmice ⓘ Quartz veins	Koděra et al. (1986)
ⓘ Veľká Tŕňa	Koděra et al. (1986)
Nitra Region Levice District ⓘ Pukanec	Koděra et al. (1986)
ⓘ Šafranica	Pauditš P. et al. (1995)
Prešov Region Vranov nad Topľou District Vechec ⓘ Vechec quarry	Martin Števko-unpublished

South Africa
Eastern Cape ⓘ Drakensberg region	Cairncross et al. (1995)

Spain
Andalusia Almería Níjar Cabo de Gata volcanic complex ⓘ Mónsul beach	Calvo Rebollar (2018)
Canary Islands Las Palmas Province ⓘ Site 953	Utzmann et al. (2002)
Santa Cruz de Tenerife Province ⓘ La Gomera	Ternes (1992)
Vallehermoso ⓘ Montana Zarza	Zeolite collection of Volker Betz

Turkey
Ankara Province ⓘ Tuz Gölü basin	Çelik Karakaya M & Karakaya N (2011)
ⓘ Cappadocia	Dogan (2003)
Rize Province Çayeli District ⓘ Madenköy Mine	Econ Geol (1993)

UK
Northern Ireland County Antrim Templepatrick ⓘ Hightown Quarry	Wilson O. et al. (2003)
ⓘ White Mountain Quarry	Walker (1959)
Scotland Aberdeenshire Stonehaven Catterline ⓘ Todhead Point	Day (1999)
Argyll and Bute Isle of Mull ⓘ Aros	[Specimen in the Natural History Museum
Fife ⓘ Luthrie
North Ayrshire Isle of Arran Tormore ⓘ Judd's No. 1 dike	Harris et al. (1954)

Ukraine
ⓘ Crimea	World of Stones v.9
Feodosia area ⓘ Karadag Reserve (Kara-Dag)	Suprychev (1968)
Simferopol area Al'ma River valley ⓘ Kizilovka village (Karagach)	Dvoichenko P.A. The minerals of Crimea (1914)
Ukrainka Village area (Kurtsy) ⓘ Severnyi Kurtsovskii quarry (North Kyrtsy)	Dvoichenko (1914) +1 other reference
Rivne Oblast ⓘ Rafalivka quarry (Rafalovka quarry; Basalt quarry)	E. V. Naumenko communication (National Museum of Natural History of the National Academy of Sciences of Ukraine, Kiev) +1 other reference
Volyn Oblast ⓘ Zhyrychi Cu deposit	Emetz et al. (2005)

USA
Alaska Aleutians East Borough Unalaska Island ⓘ Makushin geothermal area	...
Matanuska-Susitna Borough Nelchina Mining District ⓘ Unnamed Prospect (ARDF - TK136; in Horn Mountains southwest of Cameron Pass)	- (2008)
Willow Creek Mining District ⓘ Horn Mountain Occurrence	- (2008)
Northwest Arctic Borough Lisburne Mining District (Red Dog Mining District) ⓘ Red Dog Mine	Moore et al. (1986)
Petersburg Borough ⓘ Kuiu Island	Di Renzo et al. (1997)
Kupreanof Island ⓘ Irish Creek	June 1997 +3 other references
ⓘ Islets	June 1997 +3 other references
ⓘ Rocky Pass	June 1997 +3 other references
Arizona Greenlee County Big Lue Mountains (Big Laue Mountain) ⓘ State highway 78 roadcuts	Collection of Alex Earl
Morenci ⓘ Morenci Mordenite occurrence	Sheppard (1969) +2 other references
La Paz County New Water Mountains New Water Mining District Moore Mine group ⓘ Eagle Eye Mine	King et al. (1989)
ⓘ Eagle Eye Mine area	Anthony et al. (1995)
Mohave County Black Mountains ⓘ Black Mountain deposit (Black Mountain Mordenite)	- (2005)
Oatman Mining District Union Pass Mining District (Katherine Mining District) ⓘ Union Pass	Sheppard (1969) +1 other reference
Pima County ⓘ Sikort Chuapa Mountains	Eyde et al. (1978) +1 other reference
Pinal County ⓘ Midway Station	Bideaux et al. (1960) +1 other reference
Superior Picketpost Mountain area ⓘ Arnett Creek	Arizona-Sonora Desert Museum collection ...
Superior area adjacent to State Route 177 ⓘ Unnamed wash	Wise et al. (1975) +1 other reference
Yavapai County ⓘ Cottonwood Basin	Eyde et al. (1978) +1 other reference
Arkansas Hot Spring County ⓘ Magnet Cove	Shockley (1976)
ⓘ Kimzey Calcite Quarry (Calcite Hill)	R&M 67:6 p402-404
Pulaski County Little Rock ⓘ Granite Mountain area
California Kern County Boron Kramer Borate deposit ⓘ Rio Tinto Borax Mine	Arletti (2005)
El Paso Mountains District Ricardo ⓘ Red Rock Canyon prospects
Los Angeles County Agoura Hills ⓘ Canwood Mall excavation dump	Houseley (2013)
ⓘ Canwood St construction site 2014	M.Chorazewicz collection
ⓘ Canwood Street site	DeVito (1997)
ⓘ Chumash Park	M.Chorazewicz collection
ⓘ Reyes Adobe Road and Route 101 intersection area ?	Sorrell (n.d.) +1 other reference
ⓘ Cold Creek Canyon	DeVito +2 other references
Lang ⓘ Tick Canyon	mineralsocal.org
Los Angeles Hollywood Hills Hollywood Cahuenga Pass Cahuenga Boulevard roadcut ⓘ Neuerberg locality 9	Neuerberg (1951) +3 other references
Palmdale Hunt Canyon ⓘ Unnamed Zeolite occurrence	Pemberton et al. (1968) +2 other references
Riverside County Jurupa Valley Crestmore ⓘ Crestmore quarries	Pemberton (1983) +1 other reference
San Bernardino County Barstow Mining District ⓘ Mud Hills (Strontium Hills)	Sheppard et al. (1969c) +2 other references
ⓘ San Luis Obispo County	Surdam et al. (1968) +3 other references
Santa Clara County Black Wonder Mining District Mount Hamilton ⓘ Unnamed Zeolite occurrence [5]	Murata et al. (1973) +2 other references
ⓘ Santa Monica Mountains	Mineral News v.14 no.9
Ventura County Santa Monica Mountains Conservancy Sandstone Peak ⓘ Circle X Boy Scout Camp zeolite locality	www.mineralsocal.org (2001)
Thousand Oaks ⓘ Newbury Park	www.mindat.org (2012)
Colorado Archuleta County Wolf Creek Pass ⓘ Lower East Fork locality	Hampson (2004)
Custer County Rosita Mining District ⓘ Rhyolite	Eckel et al. (1997)
Huerfano County ⓘ Spanish Peaks	Eckel et al. (1997)
Jefferson County Golden Mining District Golden ⓘ Green Mountain	Eckel et al. (1997)
ⓘ North Table Mountain	Eckel et al. (1997)
ⓘ South Table Mountain	Eckel et al. (1997)
Las Animas County ⓘ Aguilar-Apishapa Pass	Eckel et al. (1997)
Mineral County Creede Mining District ⓘ Bachelor Mountain rhyolite	Eckel et al. (1997)
ⓘ Upper East Fork locality	Rocks & Minerals 79:5 pp316-324
ⓘ Wolf Creek Pass	Eckel et al. (1997)
ⓘ South Overlook locality	Rocks & Minerals 79:5 pp316-324
ⓘ Treasure Falls locality	Rocks & Minerals 79:5 pp316-324
Connecticut Hartford County ⓘ Newington	Cristofono (n.d.)
ⓘ 2368-2384 Berlin Turnpike (Former Hartford Drive-In)	Moritz (n.d.)
Litchfield County Thomaston Thomaston Dam ⓘ Thomaston Dam railroad cut ?	Segeler et al. (1985)
ⓘ Green River Formation	Tschernich (1992) +1 other reference
Hawaii Hawaii County Kilauea Volcano East Rift Zone ⓘ SOH-1 borehole	Bargar et al. (1996)
ⓘ SOH-2 borehole	Bargar et al. (1996)
ⓘ SOH-4 borehole	Bargar et al. (1996)
Honolulu County Oahu Island Koolau Range (Koolau caldera) Kailua ⓘ Keolu Hills	Fujishima et al. (1977)
ⓘ Puu o Ehu Quarry	Tschernich (1992)
ⓘ Lanikai Hills	Dunham (1933)
Idaho Custer County Bay Horse Mining District ⓘ Challis	Rocks & Minerals (March, 2001)
ⓘ Unnamed pit	Ross et al. (1924) +1 other reference
ⓘ Rat's Nest claim	Ream (2004)
Idaho County ⓘ Little Salmon River	Ream (2004)
ⓘ Riggins	Tschernich (1992)
Skookumchuck Creek ⓘ Highway 95 Roadcut (218)	Ream (2004)
Montana Beaverhead County ⓘ Dillon area	SW Rose collection. xrd identification ...
Dillon Mining District (Carter Creek Mining District; Frying Pan Basin Mining District) Beaverhead River canyon ⓘ Mordenite occurrence	Tucker (n.d.) +1 other reference
Nevada Churchill County Aspen Mining District ⓘ Burnt Cabin Summit	Castor et al. (2004)
Eastgate Mining District ⓘ Eastgate deposit	Castor et al. (2004)
Sand Springs Range Sand Springs Mining District ⓘ Zeolite deposit	Castor et al. (2004)
Esmeralda County Goldfield Mining District ⓘ Unnamed Zeolite deposit	Castor et al. (2004)
ⓘ Goldstrike Mines	Barrick Gold Corporation
Humboldt County ⓘ McDermitt Caldera Center	Castor et al. (2004)
ⓘ Thacker Pass deposit	Castor +1 other reference
Sulphur Mining District Sulphur ⓘ Hycroft Mine	Ebert et al. (1997) +1 other reference
ⓘ Virgin Valley	Castor et al. (2004)
Lander County Steiner Canyon Mining District ⓘ Reese River zeolite deposit	Castor et al. (2004)
Lyon County Fernley ⓘ Unnamed zeolite deposit	Castor et al. (2004)
Nye County Bare Mountain Bare Mountain Mining District (Fluorine Mining District) Beatty ⓘ Unnamed zeolite deposit [1]	Castor et al. (2004)
Monitor Range Ellendale Mining District ⓘ Unnamed zeolite deposit	Castor et al. (2004)
ⓘ Nevada Test site	American Mineralogist 50:287
San Antonio Mountains Tonopah Mining District Tonopah ⓘ Fraction tuff	J.V. Tingley and J. Quade (1986)
ⓘ Yucca Flat	Castor et al. (2004)
ⓘ Yucca Mountain	Nevada Bureau of Mines and Geology NBMG ... +3 other references
Pershing County Antelope Mining District Lovelock ⓘ Unnamed Zeolite deposit [1]	Castor et al. (2004)
Jersey Mining District (Jersey Valley Mining District) ⓘ Jersey Valley deposit	Castor et al. (2004)
Mount Tobin Mining District ⓘ Northern zeolite deposit	Johnson (1977)
ⓘ Southern Zeolite deposit	Johnson (1977)
Seven Troughs Mining District ⓘ Long Tom vein	Castor et al. (2004)
New Mexico Catron County Taylor Creek Mining District ⓘ Squaw Creek Mine	- (1989)
Grant County ⓘ Buckhorn area	DOI: 10.1306/212F8517-2B24-11D7-8648000102C1865D Sedimentary Fluorite in a Lacustrine Zeolitic Tuff of the Gila Conglomerate Near Buckhorn et al. (1984) +1 other reference
ⓘ Sugarlump Tuff	NMBGMR Open-file Report OF-459
Rio Arriba County La Madera ⓘ Unnamed Zeolite locality	Vaskys +2 other references
ⓘ Petaca Mining District	Northrop et al. (1996)
ⓘ La Madera mine	DeMark (1989)
Sierra County Hillsboro Mining District ⓘ Rex mine (Rex and Smuggler mine)	DeMark (1989)
ⓘ Taylor Creek Tin Mining District (Black Range Tin District)	Northrop et al. (1996)
Socorro County ⓘ San Marcial Quarry	D.Court collection +1 other reference
Oregon Baker County ⓘ Oxbow Dam	Microprobe V 7-4 p.12-13
Benton County Coffin Butte ⓘ Valley Landfill Pit (S2F quarry)	Tschernich (1992)
Clackamas County ⓘ Swim Warm Springs	Bargar et al. (1997)
Clatsop County Highway 26 ⓘ Mc Gregor Quarry	Zach Capel
Columbia County Goble ⓘ Jaquish roadcut	Micro Probe Vol. 7 No. 2 Fall 1990 +1 other reference
ⓘ Neer Road	Micro Probe Vol. 6 No. 5 Fall 1987 +1 other reference
ⓘ Roadside Quarry	Tschernich (1992)
Deschutes County Newberry National Volcanic Monument ⓘ Newberry Caldera	Mineralogy of 10 Geothermal boreholes ...
Hood River County ⓘ Pucci drillhole	Marshall W. Gannett and Keith E. Bargar +1 other reference
Jackson County ⓘ Lost Creek Dam Quarry	Micro Probe Vol. 6 No. 4 +1 other reference
Jefferson County Madras ⓘ Richardson Ranch	Micro Probe Volume VI Number 4
Lake County Hart Mountain ⓘ West Face zeolite occurrence	Weissenborn (1969)
Lane County Cottage Grove ⓘ Dorena Dam	Micro Probe Volume VI Number 4
Junction City ⓘ Cox Butte	Micro Probe Volume VI Number 4
Springfield Springfield Butte quarries ⓘ Old Springfield Butte Quarry	Micro Probe Vol. 6 No. 4 +1 other reference
Lincoln County Agate Beach ⓘ Yaquina Head Quarry	Micro Probe Vol. 6 No. 4 +1 other reference
Linn County Dollar ⓘ Calapooya River	Micro Probe Volume VI Number 4
Malheur County ⓘ Succor Creek	Micro Probe Volume VI Number 4
Marion County Santiam Mining District (Elkhorn Mining District) Breitenbush-Austin Hot Springs area ⓘ Cinnabar Occurrence	Bargar et al. (1997)
ⓘ CTGH-1 well	Bargar et al. (1997)
ⓘ SUNEDCO 58-28 well	Bargar et al. (1997)
Polk County Dallas ⓘ Rickreall Creek Quarry	Micro Probe Volume VI Number 4
Tillamook County Netarts ⓘ Cape Lookout Quarry	Micro Probe (1990)
ⓘ Oceanside	Micro Probe Volume VIII Number 2 Fall ...
ⓘ Short Beach	Crystals and Minerals
ⓘ Tunnel Beach	Tschernich (1992)
Puerto Rico Mayagüez ⓘ Desecheo Island	Seiders et al. (1972)
Utah Garfield County ⓘ Coyote	Bullock (1981)
Juab County East Tintic Mountains ⓘ Tintic Mining District	Bullock (1981)
Piute County Antelope Range Henry Mining District (Durkee Mining District) ⓘ Zeolite occurrence	Wilson (1995)
Marysvale Mining District ⓘ Dry Creek Canyon Zeolite occurrence	R&M 68:6 p381-393 +1 other reference
Mount Baldy-Ohio Mining District ⓘ Lucky Boy Mine	Mccaskey +1 other reference
Utah County East Tintic Mountains ⓘ East Tintic Mining District	Bullock (1981)
Virginia Albemarle County Charlottesville ⓘ US highway 29 & highway 29 bypass intersection roadcut	Dietrich (1990)
Fairfax County Culpeper Basin ⓘ Centreville	Dietrich (1990)
Loudoun County Leesburg ⓘ New Goose Creek Quarry	Dietrich (1990)
Washington Benton County ⓘ Hanford	Tschernich (1992)
Clark County ⓘ Woodland	Micro Probe Volume VII Number 8 Fall ... +1 other reference
Yacolt ⓘ Big Tree Creek	Tschernich (1992)
Cowlitz County ⓘ 5700 Road	John Lindell field-collected specimens.
Kalama area ⓘ Roadcuts	Micro Probe (1995)
Interstate 5 Roadcuts ⓘ Exit 30	Tschernich (1996)
ⓘ Kalama High School football field	Tschernich (1996)
ⓘ Todd Road Quarry	Tschernich (1996)
Toutle Signal Peak ⓘ Road 4232	- (n.d.)
ⓘ Road 4600 Cliff	- (n.d.)
ⓘ Road 4600 Quarry	- (n.d.)
Wolf Point ⓘ 200 / 237 Road Quarry	Micro Probe Vol. 7 No. 10
ⓘ Baird Creek Quarry	Micro Probe +1 other reference
Jefferson County ⓘ Beaver Valley Quarry	Micro Probe Volume VIII Number 9
ⓘ Shine Quarry	- (n.d.)
King County ⓘ Cherry Creek Area	Cannon (1975)
ⓘ Forest Service Road 70	Aidan Cerenzie Collection
ⓘ Raging River Quarry	Cannon (1975)
Lewis County Kosmos ⓘ Riffe Lake	Cannon (1975)
Morton Mining District Morton ⓘ Mossyrock Dam	Cannon (1975)
Ryderwood ⓘ Clinton Knob	- (n.d.)
Okanogan County Golden Horn Batholith ⓘ Washington Pass	Randy Becker Collection
Skamania County Bear Creek ⓘ Bear Creek area	Cannon (1975)
Cook ⓘ Carpathite occurrence	Gladwell (2022)
Lewis River ⓘ Poison Creek	- (n.d.)
ⓘ Quartz Creek Roadcut	- (n.d.)
ⓘ Stevenson
ⓘ Rock Creek	Cannon (1975)
Thurston County Black Hills ⓘ Rock Candy Mountain
Bucoda ⓘ Skookumchuck Dam	Cannon (1975)
Olympia Capitol Peak (Capitol Forest) ⓘ Unnamed Zeolite occurrence	Cannon (1975)
Wahkiakum County Altoona ⓘ Altoona-Pillar Rock Road roadcuts	Cannon (1975)
ⓘ Unnamed Basalt quarry (Columbia River dikes)	- (n.d.)
Wyoming Park County ⓘ Firehole River	Bargar +1 other reference
Teton County ⓘ Lower Geyser Basin	Bargar +1 other reference
ⓘ Yellowstone National Park	Tschernich (1992)

Yemen
Dhamar Governorate ⓘ Mareya	Ali M. Al-Hawbani and Abubakr F. Maky (2018)

Zimbabwe
Matabeleland North Hwange District Hwange-Deka road ⓘ Roadcut at 44 km	Wolfgang Hampel

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Mordenite

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