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Stilbite-Ca

A valid IMA mineral species - grandfathered

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Stilbite-Ca

Rauðafell, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Stilbite-Ca

Jalgaon District, Nashik Division, Maharashtra, India

Stilbite-Ca

Teigarhorn, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Stilbite-Ca

Rauðafell, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Stilbite-Ca

Jalgaon District, Nashik Division, Maharashtra, India

Stilbite-Ca

Teigarhorn, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Stilbite-Ca

Rauðafell, Berufjörður, Djúpavogshreppur, Múlaþing, Eastern Region, Iceland

Stilbite-Ca

Jalgaon District, Nashik Division, Maharashtra, India

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About Stilbite-CaHide

Formula:

NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Colour:

White, colourless, red, light yellow, light to dark brown, cream, orange, pink

Lustre:

Vitreous, Pearly

Hardness:

3½ - 4

Specific Gravity:

2.19

Crystal System:

Monoclinic

Member of:

Stilbite Subgroup > Zeolite Group

Name:

Named in 1797 by Jean Claude de la Métherie from Greek στιλβη "stilbein", to glitter or shine, or "stilbe", a mirror, alluding to its pearly or vitreous luster. Originally, but inconsistently called zeolite in 1756 by Axel Cronstedt. Named crystalii ad centrum tendentes in 1758 by Cronstedt. In 1772, Johan Gottschalk Wallerius called this mineral zeolite selenitica lamellaris. Also in 1797, de la Métherie called this mineral zeolite nacrée. Werner (1780) called this mineral strehliger zeolith. Rene Just Haüy (1801) used the term stilbite anamorphique for a mineral now recognized as heulandite. Desmine was introduced in 1818 by Johann Friedrich August Breithaupt. Sphaerostilbite was used in 1832 by François Sulpice Beudant. Additional varietal names and synonyms have been proposed: blättricher zeolit, hypostilbite, puflerite, radiated zeolite, and syhedrite. Chemical suffixes were added by the IMA.

Zeolite Group.

See also the chemically similar Stellerite and Stilbite-Na.
Note: stilbite-Ca and stilbite-Na are monoclinic (pseudo-orthorhombic), in contrast to the chemically similar Stellerite, which is orthorhombic.

Unique IdentifiersHide

Mindat ID:

7313

Long-form identifier:

mindat:1:1:7313:0

Similar NamesHide

Stilbite-Na

A valid IMA mineral species

Na₉(Si₂₇Al₉)O₇₂ · 28H₂O

IMA Classification of Stilbite-CaHide

IMA status:

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

IMA Formula:

NaCa₄(Si₂₇Al₉)O₇₂·28H₂O

Classification of Stilbite-CaHide

Strunz-mindat (2026):

9.GE.10

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H₂O; zeolite family
E : Chains of T₁₀O₂₀ Tetrahedra

Dana 7th ed.:

77.1.4.3

Dana 8th ed.:

77.1.4.3

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites

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
Stb-Ca	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Stb	Kretz (1983)	Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
Stb	Siivolam & Schmid (2007)	Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
Stb	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
Stb	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download
Stb	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 Stilbite-CaHide

Lustre:

Vitreous, Pearly

Transparency:

Transparent, Translucent

Comment:

Pearly on cleavage

Colour:

White, colourless, red, light yellow, light to dark brown, cream, orange, pink

Streak:

White

Hardness:

3½ - 4 on Mohs scale

Cleavage:

Perfect
on {010}

Fracture:

Irregular/Uneven

Density:

2.19(1) g/cm³ (Measured) 2.23 g/cm³ (Calculated)

Optical Data of Stilbite-CaHide

Type:

Biaxial (-)

RI values:

n_α = 1.484 - 1.5 n_β = 1.492 - 1.507 n_γ = 1.494 - 1.513

2V:

Measured: 30° to 49°, Calculated: 76° to 78°

Max. Birefringence:

δ = 0.010 - 0.013
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:

r < v

Chemistry of Stilbite-CaHide

Mindat Formula:

NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Element Weights:

Element	% weight
O	56.320 %
Si	26.693 %
Al	8.548 %
Ca	5.643 %
H	1.987 %
Na	0.809 %

Calculated from ideal end-member formula.

Elements listed:

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

Crystallography of Stilbite-CaHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 13.63 Å, b = 18.17 Å, c = 11.31 Å
β = 129.166°

Ratio:

a:b:c = 0.75 : 1 : 0.622

Unit Cell V:

2,171.67 Å³ (Calculated from Unit Cell)

Morphology:

Typically thin tabular, sheaflike or globular clusters.

Twinning:

Ubiquitous on {001}, cruciform and penetration.

Comment:

Pseudo-orthorhombic F-centred (compare orthorhombic stellerite).

Crystal StructureHide

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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	Temp (K)
0006490	Stilbite-Ca	Akizuki M, Kudoh Y, Satoh Y (1993) Crystal structure of the orthorhombic {001} growth sector of stilbite European Journal of Mineralogy 5 839-843	1993	293
0001919	Stilbite-Ca	Cruciani G, Artioli G, Gualtieri A, Stahl K, Hanson J C (1997) Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction American Mineralogist 82 729-739	1997	315
0001920	Stilbite-Ca	Cruciani G, Artioli G, Gualtieri A, Stahl K, Hanson J C (1997) Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction American Mineralogist 82 729-739	1997	416
0001921	Stilbite-Ca	Cruciani G, Artioli G, Gualtieri A, Stahl K, Hanson J C (1997) Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction American Mineralogist 82 729-739	1997	441
0001922	Stilbite-Ca	Cruciani G, Artioli G, Gualtieri A, Stahl K, Hanson J C (1997) Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction American Mineralogist 82 729-739	1997	521

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Stilbite-Ca'
loop_
_publ_author_name
'Akizuki M'
'Kudoh Y'
'Satoh Y'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 5 
_journal_year 1993
_journal_page_first 839
_journal_page_last 843
_publ_section_title
;
 Crystal structure of the orthorhombic {001} growth sector of stilbite
;
_database_code_amcsd 0006490
_chemical_formula_sum 'Ca.945 Mg.107 Na.188 (Si6.66 Al2.34) O25.28 H14.56'
_cell_length_a 13.616
_cell_length_b 18.238
_cell_length_c 17.835
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 4428.940
_exptl_crystal_density_diffrn      2.142
_symmetry_space_group_name_H-M 'F m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,1/2+z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  '-x,y,z'
  '-x,1/2+y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  'x,1/2+y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2+x,1/2+y,-z'
  '-x,-y,z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-y,1/2+z'
  '1/2-x,1/2-y,z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
  '1/2-x,-y,1/2-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
Ca   0.50000   0.00000   0.29390   0.94500   0.05180
Mg   0.50000   0.00000   0.29390   0.05500   0.05180
Na   0.20220   0.44420   0.27820   0.04700   0.07004
Mg   0.20220   0.44420   0.27820   0.01300   0.07004
Si1   0.38600   0.30700   0.37640   0.74000   0.01494
Al1   0.38600   0.30700   0.37640   0.26000   0.01494
Si3   0.30230   0.41100   0.50000   0.74000   0.01418
Al3   0.30230   0.41100   0.50000   0.26000   0.01418
Si4   0.38830   0.18310   0.50000   0.74000   0.01241
Al4   0.38830   0.18310   0.50000   0.26000   0.01241
Si5   0.25000   0.25000   0.25000   0.74000   0.01938
Al5   0.25000   0.25000   0.25000   0.26000   0.01938
O1   0.31830   0.30390   0.30130   1.00000   0.03559
O3   0.37190   0.23210   0.42490   1.00000   0.03179
O4   0.35600   0.38020   0.42380   1.00000   0.03698
O7   0.50000   0.31610   0.34770   1.00000   0.03052
O8   0.31580   0.11360   0.50000   1.00000   0.03192
O9   0.30830   0.50000   0.50000   1.00000   0.02875
O10   0.50000   0.14930   0.50000   1.00000   0.03204
Wat1   0.00000   0.37280   0.30200   0.97000   0.13324
Wat2   0.04170   0.50000   0.42170   0.46000   0.11665
Wat3   0.09980   0.50000   0.17770   0.97000   0.20150
Wat4   0.13340   0.50000   0.37490   0.40000   0.13336
Wat5   0.14260   0.41710   0.31350   0.42000   0.16667

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
9.13 Å	(100)
4.065 Å	(58)
3.028 Å	(36)
2.780 Å	(21)
4.679 Å	(16)
4.627 Å	(15)
3.199 Å	(13)

Comments:

Montresta, Sardinia, Italy. The data are from Passaglia et al.(1978).

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
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)
Near-surface Processes
25 : Evaporites (prebiotic)
Stage 5: Initiation of plate tectonics	<3.5-2.5
42 : Sea-floor Mn nodules
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]

Geological Setting:

A low temperature hydrothermal mineral, in amygdules and cavities in basalt.

Other Language Names for Stilbite-CaHide

Dutch:Stilbiet-Ca

German:Stilbit-Ca

Russian:Стильбит-(Ca)

Relationship of Stilbite-Ca to other SpeciesHide

Member of:

Stilbite Subgroup > Zeolite Group

Other Members of Stilbite Subgroup:

Barrerite	Na₂(Si₇Al₂)O₁₈ · 6H₂O	Orth. mmm(2/m2/m2/m)
Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O	Orth. mmm(2/m2/m2/m) : Fmmm
Stilbite-Na	Na₉(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m

Common AssociatesHide

Associations Based on Photo Data:

1,419 photos of Stilbite-Ca associated with Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
546 photos of Stilbite-Ca associated with Cavansite	Ca(VO)Si₄O₁₀ · 4H₂O
434 photos of Stilbite-Ca associated with Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
385 photos of Stilbite-Ca associated with Quartz	SiO₂
380 photos of Stilbite-Ca associated with Calcite	CaCO₃
245 photos of Stilbite-Ca associated with 'Chalcedony'	SiO₂
139 photos of Stilbite-Ca associated with Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
117 photos of Stilbite-Ca associated with Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
112 photos of Stilbite-Ca associated with Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
90 photos of Stilbite-Ca associated with Celadonite	K(MgFe³⁺◻)(Si₄O₁₀)(OH)₂

Related Minerals - Strunz-mindat Grouping Hide

9.GE.05	Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O	Mon. 2/m : B2/m
9.GE.05	Heulandite-K	(K,Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O	Mon. 2/m : B2/m
9.GE.05	Heulandite-Na	(Na,Ca,K)₆(Si,Al)₃₆O₇₂ · 22H₂O	Mon. m : Bm
9.GE.05	Heulandite-Sr	(Sr,Na,Ca)₅(Si₂₇Al₉)O₇₂ · 24H₂O	Mon. m : Bm
9.GE.05	Heulandite-Ba	(Ba,Ca,K)₅(Si₂₇Al₉)O₇₂ · 22H₂O	Mon. 2/m : B2/m
9.GE.05	Clinoptilolite-Ca	Ca₃(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m
9.GE.05	Clinoptilolite-K	K₆(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m
9.GE.05	Clinoptilolite-Na	Na₆(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m : B2/m
9.GE.10	Stilbite-Na	Na₉(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m
9.GE.15	Barrerite	Na₂(Si₇Al₂)O₁₈ · 6H₂O	Orth. mmm(2/m2/m2/m)
9.GE.15	Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O	Orth. mmm(2/m2/m2/m) : Fmmm
9.GE.20	Brewsterite-Ba	Ba(Al₂Si₆)O₁₆ · 5H₂O	Mon. 2/m : P2₁/m
9.GE.20	Brewsterite-Sr	Sr(Al₂Si₆)O₁₆ · 5H₂O	Mon. 2/m : P2₁/m

Fluorescence of Stilbite-CaHide

In UV light:

May fluoresce pale-yellow or blue-white in shortwave UV.

Other InformationHide

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 Stilbite-CaHide

mindat.org URL:

https://www.mindat.org/min-7313.html
Please feel free to link to this page.

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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 Stilbite-CaHide

Reference List:

Slaughter, Maynard (1970) Crystal structure of stilbite. American Mineralogist, 55 (3-4) 387-397

Galli, E. (1971) Refinement of the crystal structure of stilbite. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 27 (4) 833-841 doi:10.1107/s056774087100298x

Passaglia, Elio, Galli, Ermanno, Leoni, Leonardo, Rossi, Giuseppe (1978) The crystal chemistry of stilbites and stellerites. Bulletin de Minéralogie, 101 (3) 368-375 doi:10.3406/bulmi.1978.7200

Akizuki, Mizuhiko, Konno, Hiroshi (1985) Order-disorder structure and the internal texture of stilbite. American Mineralogist, 70 (7-8) 814-821

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

Akizuki, Mizuhiko, Kudoh, Yasuhiro, Satoh, Yukο (1993) Crystal structure of the orthorhombic {001} growth sector of stilbite. European Journal of Mineralogy, 5 (5) 839-844 doi:10.1127/ejm/5/5/0839

Cruciani, Giuseppe, Artioli, Gilberto, Gualtieri, Alessandro, Stahl, Kenny, Hanson, Jonathan C. (1997) Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction. American Mineralogist, 82 (7) 729-739 doi:10.2138/am-1997-7-810

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

Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartieri, Simona, Rinaldi, Romano, Ross, Malcolm, Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (1998) Recommended nomenclature for zeolite minerals: report of the subcommittee on zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Mineralogical Magazine, 62 (4) 533-571 doi:10.1180/002646198547800

(2001) Stilbite-Ca. Handbook of Mineralogy. Mineralogical Society of America

Localities for Stilbite-CaHide

Showing 368 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.


Australia
New South Wales Mouramba Co. Nymagee ⓘ Hera Mine (Hera deposit)	Dr A.R. McKinnon
South Australia Pastoral Unincorporated Area Arkaroola (Arkaroola Wilderness Sanctuary; Arkaroola Station) ⓘ Arkaroola Bore	R. Bottrill

Austria
Lower Austria Krems-Land District Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	Kolitsch et al. (2023)
Zwettl District Kottes-Purk Bernhards ⓘ Schmoll quarry	Kolitsch (2016)
Elsenreith ⓘ Renz quarry	Kolitsch (2016)
Salzburg Zell am See District Neukirchen am Großvenediger ⓘ Bleidächer	Knobloch et al. (2022)
Styria Bruck-Mürzzuschlag District Pernegg an der Mur Kirchdorf ⓘ S35 motorway tunnel (Kirchdorf tunnel)	Kolitsch (2008)
Deutschlandsberg District Eibiswald Soboth ⓘ Kreuzbach	Bernhard et al. (2005)
Liezen District Schladming ⓘ Kaltenbach Alp	Postl et al. (2008)
Murtal District Spielberg Flatschach Brunngraben ⓘ Forestry road cut
Cu deposit (Schönberg) ⓘ Brunngraben district	C.Auer (2015)
Tyrol Landeck District Kaunertal Vergötschen ⓘ Lower Gsall valley	Bernhard (2009)
ⓘ Verpeil valley	Bernhard (2008)
Lienz District Prägraten am Großvenediger Dorferbach valley ⓘ Hoher Zaun	Walter F. (2022)
Vorarlberg Bludenz District Gaschurn ⓘ Bielerhöhe Pass	Kolitsch (2022)
ⓘ Kops reservoir	Kolitsch et al. (2018)
Sankt Gallenkirch Gargellen valley Gargellen ⓘ Schafberg - Gargellner Köpfe area	Kolitsch (2017) +1 other reference
ⓘ Madererspitze (Valschavieler Maderer)	Kolitsch (2014)
Schruns ⓘ Sennigrat-Kreuzjoch-Hochjoch area ?	Kolitsch (2017)

Belgium
Wallonia Luxembourg ⓘ Bertrix	Hatert (1998) +1 other reference
ⓘ La Flèche quarry	Van Der Meersche (2005) +2 other references

Brazil
Rio Grande Do Sul Veranópolis ⓘ Das Antas tunnels	Carles Curto Milà
Santa Catarina ⓘ Campos Novos	Canadian National Museum (Toronto)
São Paulo Serrana ⓘ Serrana quarry	Ruiz (2001)

Bulgaria
Smolyan Province Banite Municipality ⓘ Davidkovo	Philip Betancourt

Canada
New Brunswick Charlotte Co. Grand Manan Island ⓘ Deep Cove Beach	King (n.d.)
Eel Brook Beach ⓘ Seven Days Work Cliff	Sabina (2015)
Northwest Territories Mackenzie Mountains Tungsten (Cantung) ⓘ Little Nahanni Pegmatite Group	Groat et al. (2003)
O'Grady Lake area O'Grady Batholith ⓘ Stargazer Claim	Ercit et al. (2003)
Nova Scotia ⓘ Annapolis Co.	Traill (1970)
ⓘ Margaretsville	How et al. (1876)
ⓘ Port George	Traill (1970)
Cumberland Co. ⓘ Cape d'Or (Cap d'Or)	Pe-Piper et al. (2002)
ⓘ Advocate Bay side	Pe-Piper et al. (2002)
Parrsboro ⓘ Partridge Island	Traill (1970)
Two Islands ⓘ Wasson Bluff	Clarke (1903)
Digby Co. ⓘ Digby Gut	Traill (1970)
Kings Co. ⓘ Arlington quarry	Pe-Piper et al. (2002)
ⓘ Cape Blomidon	Aumento et al. (1966)
ⓘ Long Beach	Traill (1970)
ⓘ Morden	Walker et al. (1922) +1 other reference
ⓘ Ross Creek	Pe-Piper (2000)
Ontario Thunder Bay District Bomby Township ⓘ Hemlo gold deposit	Harris (1989)
Québec Capitale-Nationale Charlevoix RCM Saint-Urbain Saint-Urbain-de-Charlevoix ⓘ Bouchard Mine	Pierre-Luc Croteau Collection
Chaudière-Appalaches Les Appalaches RCM Saint-Joseph-de-Coleraine ⓘ Mine Lac d'Amiante (Lake Asbestos Mine; "LAB Mine"; "Black Lake Mine")	Can. Museum of Nature & Horváth ... +1 other reference
Laurentides Les Pays-d'en-Haut RCM Wentworth-Nord Laurel ⓘ Unnamed roadcut (Locality 48 of Van Velthuizen et al.)	Van Velthuizen et al. (2006)
Outaouais La Vallée-de-la-Gatineau RCM Lac-Pythonga ⓘ Maniwaki occurrences	King et al. (1993)
ⓘ Zeolite occurrence #34	Van Velthuizen et al. (2006)
Les Collines-de-l'Outaouais RCM Chelsea Autoroute 5 Autoroute 5 extension Autoroute 5 roadcuts ⓘ Cross Loop Road Cut (Site 1 of Phase 2)	Jeffrey de Fourestier collection
ⓘ Roadcut No. 6	Horváth collection
Val-des-Monts Lac Saint Antoine ⓘ Seybold (Moore) Mine	Van Velthuizen et al. (2006)
Pontiac RCM Otter Lake ⓘ Yates Mine	Van Velthuizen et al. (2006)

Chile
Atacama Copiapó Province Copiapó Quebrada San Miguel Los Azules mine ⓘ San Miguel prospect	SEM-EDS and Raman Spectroscopy by Joy ...
Tarapacá Iquique Province Santa Rosa-Huantajaya mining district (Huantajaya mining district) ⓘ Santa Rosa Mine	SEM-EDS and Raman Spectroscopy by Joy ...

China
Inner Mongolia Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) ⓘ Huanggang Fe-Sn deposit	Ottens et al. (2012)

Costa Rica
San José Province Puriscal Canton Candelarita District ⓘ Pedernal Road cuts	Carnegie Museum of Natural History ...

Czech Republic
Central Bohemian Region Kutná Hora District Žleby ⓘ Markovice quarry	Pauliš et al. (2011)
Liberec Region Česká Lípa District Česká Lípa ⓘ Okřešice	Pauliš et al. (2017)
ⓘ Lískový Hill	Pauliš et al. (2017)
Olomouc Region Jeseník District Zlaté Hory Ondřejovice ⓘ Ondřejovice iron mines	Novotný
Šumperk District Hraběšice ⓘ Krásné	Novotný et al. (2002) +2 other references
Loučná nad Desnou Kouty nad Desnou ⓘ Červenohorské sedlo	Novotný
Šumperk ⓘ Ostředek (Mittelberg)	Novotný
Temenice Horní Temenice ⓘ Lovák	Novotný
Velké Losiny Maršíkov (Marchendorf) ⓘ Kožušná (Fellberg)	Novotný
ⓘ Lužný (Mattenberg)	Vančura J.: Naleziště Mattenberg u ...
ⓘ Steinhübel	Novotný
Vikýřovice ⓘ Holubí vrch	Novotný
South Bohemian Region České Budějovice District Trhové Sviny Rejta ⓘ Rejta quarry	Welser
Ústí nad Labem Region Děčín District Česká Kamenice ⓘ Jehla (Nolde; Kleine Nolde)	Pauliš et al. (2015) +1 other reference
Růžová ⓘ Pastevní Hill	Pauliš et al. (2019)
Těchlovice ⓘ Milířsko	Bulletin Mineralogie Petrologie vol.26
Vysočina Region Žďár nad Sázavou District ⓘ Strážek (Straschkau)	Novák et al. (2023)

Ethiopia
Tigray Region ⓘ Alamata (Alomatà; Allomatà)	Scherillo (1938)

France
Auvergne-Rhône-Alpes Rhône Villefranche-sur-Saône Saint-Didier-sur-Beaujeu ⓘ Creuzeval Quarry	Bourgoin (2009)
Savoie Albertville La Léchère ⓘ Bonneval-Tarentaise	De Ascenção Guedes et al. (2002)
ⓘ Roche Brisée	Bernard (2011)
French Southern and Antarctic Lands Kerguelen Islands ⓘ Grande Terre island	Renac et al. (2010)
Occitanie Ariège Foix Luzenac ⓘ Trimouns Talc Mine	Gatel (1990)

Germany
Bavaria Lower Bavaria Freyung-Grafenau District Röhrnbach ⓘ Steinerleinbach Quarry	Habel (2009)
Passau District Untergriesbach ⓘ Grögöd Quarry (G'steinert Quarry)	Habel (2007)
Upper Franconia Hof District Münchberg ⓘ Meierhof quarry	Marko Burkhardt Collection
Hesse Darmstadt Darmstadt-Dieburg Mühltal ⓘ Nieder-Beerbach	Belendorff (2021)
Lower Saxony Goslar District Bad Harzburg Radau valley ⓘ Gabbro Quarry	Schnorrer-Köhler (1988)
Braunlage St Andreasberg ⓘ Catharina Neufang Mine
Harz (Landkreis Goslar) ⓘ Huneberg Quarry
Saxony-Anhalt Harz Thale Thale ⓘ Winzenburg	Thomas Lühr Collection
Saxony Bautzen District Cunewalde Schönberg ⓘ Hölle quarry ?	Witzke et al. (2008)
Malschwitz ⓘ Pließkowitz quarry	Witzke et al. (2017)
Görlitz District Ebersbach-Neugersdorf ⓘ Klunst Quarry	Witzke et al. (2006)
Kodersdorf Rengersdorf ⓘ Unnamed occurrence	Witzke et al. (2006)
Löbau ⓘ Löbauer Berg	Frenzel (1874)
Thuringia Schmalkalden-Meiningen District Floh-Seligenthal Schnellbach ⓘ Nesselgrund Quarry

Hungary
Heves County Gyöngyös District Markaz ⓘ Mraznica-tető-Sas-kő	Sándor et al. (2005)
Pétervására District Parád ⓘ Rókalyuk Hill	Sándor et al. (2005)
Pest County Szentendre District Dunabogdány ⓘ Csódi Hill	Harangi (2009)
Szob District Kóspallag ⓘ Inóci Quarry	Sándor et al. (2005)

Iceland
Capital Region Kjósarhreppur ⓘ Eyrarfjall Mountain	Weisenberger et al. (2009)
ⓘ Hvalfjarðareyri (Hvaleyri)	Volker Betz collection & photo
ⓘ Reynivallaháls	Weisenberger et al. (2009)
Eastern Region ⓘ Breiðdalur- Berufjörður area	[World of Stones 9/96 p.29]
Fjarðabyggð Breiðdalsvík ⓘ Djupidalur	Harvard University
Neskaupstaður ⓘ Quarry at Oddskarðsvegur	Personally collected by Günter Frenz
Múlaþing Djúpavogshreppur Berufjörður ⓘ Rauðafell	www.iza-online.org (n.d.)
ⓘ Teigarhorn	Zeolite collection of Volker Betz
ⓘ Hvalfjörður	Weisenberger et al. (2009)
Northeastern Region Fjallabyggð Siglufjörður ⓘ Unnamed quarry	Personally collected by Günter Frenz
Northwestern Region Sveitarfélagið Skagafjörður Sauðárkrókur ⓘ Vestari Heraðsvötn	Personally collected by Günter Frenz

India
Maharashtra Chhatrapati Sambhajinagar Division (Aurangabad Division) Chhatrapati Sambhajinagar District (Aurangabad District) ⓘ Vaijapur	Tony Nichisher
Nashik Division Ahilyanagar District Parner ⓘ Takali Dhokeshwar	Lavinsky (n.d.)
Rahuri ⓘ Gunjale	Richard Gunter Collection.
Sangamner Sakur (Shakur; Chakur; Sakhur) ⓘ Sakur Quarry	Richard Dale Collection
ⓘ Jalgaon District	webmineral.com (2000)
ⓘ Jamner	Richard Dale Collection
Sawade Pr Chandsar ⓘ Savda	Lavinsky (n.d.) +9 other references
Nashik District ⓘ Nashik quarries	King (n.d.)
Sinnar ⓘ Mahodari quarry	Lavinsky (n.d.) +1 other reference
ⓘ Nashik 2	Ottens et al. (2019)
ⓘ Yeola	Lavinsky (n.d.)
Pune Division ⓘ Pune District
ⓘ Erandwane	Arnav Khokarale Collection
Junnar ⓘ Narayangaon	Arnav Khokarale Collection
Lonavala ⓘ Lonavala Quarry	Praszkier et al. (2007) +1 other reference
Maval Vadgaon Maval ⓘ Wadgaon Quarry	www.spiriferminerals.com (2010)
Pashan ⓘ #2 Quarry	Lavinsky (n.d.)
ⓘ Pashan quarries	Rock Currier photo
ⓘ Sus ?	Arnav Khokarale Collection
Wagholi ⓘ Wagholi Quarries	Richard Dale Collection +1 other reference

Indonesia
West Java Province Bogor Regency Cigudeg Rengasjajar ⓘ Andesite Quarry	Ryann Hijj

Iran
Qom Province ⓘ Kahrizak Mountains	KOUSEHLAR et al. (2012)
Tehran Province ⓘ Kuh-e-Aradeh	Bazargani-Guilani et al. (2004)

Ireland
Connacht Galway County Connemara ⓘ Barnahallia	Moreton et al. (2006)

Italy
Aosta Valley Courmayeur ⓘ Miage Glacier	Scaini et al. (1967) +1 other reference
ⓘ Aiguilles Grises ridge	Cossa (1881) +1 other reference
ⓘ Ghiacciaio di Bionnassay (Glacier de Bionnassay Italien)	Scaini et al. (1967) +1 other reference
Liguria La Spezia Province Levanto ⓘ Costa Sopramare (Cantarana Valley)	Bracco R. et al. (La Spezia, Liguria)
Lombardy Sondrio Province Chiesa in Valmalenco ⓘ Sissone Valley	Marchesini et al. (2025)
Novate Mezzola Codera Valley ⓘ Alpiga Valley	Ghizzoni et al. (2005)
ⓘ Averta Valley (Northern Glacial Cirque)	Ghizzoni et al. (2005)
ⓘ Averta Valley (Southern Glacial Cirque)	Ghizzoni et al. (2005)
ⓘ Brasca Refuge landslide	Ghizzoni et al. (2005)
ⓘ Canina Valley	Ghizzoni et al. (2005)
ⓘ Codera streambed	Ghizzoni et al. (2005)
ⓘ Conco Valley	Ghizzoni et al. (2005)
ⓘ Grosina Valley	Ghizzoni et al. (2005)
ⓘ Orco Valley	Ghizzoni et al. (2005)
ⓘ Piana Valley	Ghizzoni et al. (2005)
ⓘ Punta Trubinasca	Ghizzoni et al. (2005)
Sondalo ⓘ Le Prese	micromountge.jimdofree.com (n.d.)
Valdidentro ⓘ Cima Piazzi	Bedognè et al. (2006)
Valdisotto ⓘ Corno di San Colombano east slope	Bedognè et al. (2006)
Varese Province Cuasso al Monte Cavagnano ⓘ Subalpina Quarry (Mantegazza Quarry; Gebel Quarry; Bianchi Quarry)	Guastoni et al. (2004)
Piedmont Biella Province Campiglia Cervo San Paolo Cervo ⓘ Colombari quarry	Martini et al. (2012)
ⓘ Vej della Balma	Martini et al. (2012)
Cuneo Province Bagnolo Piemonte ⓘ Montoso Quarries	Ambrino et al. (2009)
ⓘ Bricco Volti - Monte Ortieul quarrying area	Ambrino et al. (2009)
Entracque ⓘ Lago della Rovina (Lago delle Rovine)	Piccoli et al. (2007) +1 other reference
Vinadio Sant’Anna Valley ⓘ Cima della Lombarda-Colle della Lombarda scheelite occurrences	Ciriotti et al. (2010)
Metropolitan City of Turin Cesana Torinese ⓘ Punta Rascià	Lincio (1928)
ⓘ Luserna Stone Quarries	Finello et al. (2007)
Traversella ⓘ Las Superiore Quarry	Bonino Franco Luca's Collection +2 other references
Verbano-Cusio-Ossola Province Baceno Devero Alp ⓘ Forno Pass	Piccoli et al. (2007) +1 other reference
Baveno Feriolo ⓘ Cirla Quarry (Monte Camoscio Quarry; Camoscio Quarry)	Angelo Brambilla Collection
ⓘ Scala dei Ratti Quarry (Ratti Quarry; Scala Quarry)	Piccoli et al. (2007)
Oltrefiume Mount Camoscio ⓘ Locatelli quarry	Grill (1935)
ⓘ Seula mine	Piccoli et al. (2007)
Craveggia Rio Vasca ⓘ Alpe Marco inferiore	Boscardin M. et al. (2013)
Formazza Sabbione Glacier area ⓘ Hohsandjoch (Passo del Sabbione)	Piccoli et al. (2007) +1 other reference
Premia Premia gneiss quarries ⓘ Cadarese Quarries	Piccoli et al. (2007)
Toceno ⓘ Val di Crana	Boscardin M. et al. (2013)
Trontano Pizzo Marcio ⓘ Pizzo Marcio North dyke	Guastoni et al. (2008) +2 other references
Sardinia Metropolitan City of Cagliari Pula Capo di Pula (Capo Pula; Nora) ⓘ Sant' Efisio Tower (Punta del Coltellazzo)	SEM-EDS + microRaman spectroscopy ...
ⓘ Viale Europa roadcut	Pongiluppi et al. (1974)
Sassari Province Arzachena Mt. Mazzolu ⓘ Lu Patenti Quarry	Gamboni et al. (2012)
ⓘ Mt. Mazzolu Quarry	S. Cuccuru (2011)
Trentino-Alto Adige/Südtirol South Tyrol Salten-Schlern (Salto-Sciliar) Kastelruth (Castelrotto) ⓘ Forra di Bulla (Puflerloch; Pufler Loch; Pufelserloch; Pufelser Loch; Bulla; Pufels)	Bukeisen (1857) +10 other references
Trento Province Canal San Bovo Vanoi Valley Pralongo ⓘ Pralongo granite quarry (Pralongo Quarry; Grisotto Quarry)	Ferretti et al. (2015)
Moena ⓘ Pale Rabbiose	Ferretti et al. (2013)
Predazzo ⓘ Canzoccoli (Mt La Forcella)	Demartin et al. (2006)
Veneto ⓘ Alpone Valley	Mattioli et al. (2016)
Belluno Province Rocca Pietore Pettorina Valley Sottoguda-Palue area ⓘ Ru della Miniera	Paolo Bosio collection. Analyzed by means of WDS Camebax SX-100 microprobe at the Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences V.I. Vernadskiy (GEOKHI RAN9 in Moscow)
Padova Province Galzignano Terme ⓘ Monte delle Basse	Fabio Tosato et al. (2024)
Vicenza Province Montecchio Maggiore San Pietro ⓘ Monte Nero	Passaglia et al. (2010)
Salcedo ⓘ Ponte Valley (Scandolare)	Passaglia et al. (2010)
Santorso ⓘ Near Albero Bassi locality	Passaglia (1969) +1 other reference
Schio ⓘ Timonchiello Creek (Rio Timonchiello)	Maraschini (1824) +1 other reference
Tretto San Rocco di Tretto (San Rocco) ⓘ Contrada Gonzati	Carbonin et al. (2003) +4 other references
ⓘ Contrada Lovati	Passaglia et al. (2010) +2 other references
ⓘ Contrada Molin	Boscardin et al. (2011)
Torrebelvicino Mercanti Valley ⓘ Zuccanti Valley	Passaglia et al. (2010)

Japan
Ehime Prefecture Kamiukena District ⓘ Makinokawa quarry	Mark Mauthner collection No. 382 (originally collected by Dr. Atsushi Gomi)
Gifu Prefecture Nakatsugawa City ⓘ Naegi district (Naegi pegmatite district)	John Rakovan (2015)
Shizuoka Prefecture Izunokuni City ⓘ Omuro	Harada et al. (1967)
Tochigi Prefecture Kanuma City ⓘ Kusagyu	Akira Kato (2011)

Kazakhstan
Kostanay Region Rudny ⓘ Sarbai Deposit	Pekov et al. (1997)

Madagascar
Diana Ambanja District Antsakoamanondro ⓘ Antetezambato Demantoid-Topazolite Mine	Pezzotta (2010)
Sava Sambava District Ambohimalaza Commune Ambariomiambana ⓘ Basalt Quarry	Praszkier (2010)

Mali
Kayes Region Bafoulabé Cercle Diakon Commune ⓘ Guedigui	Rock Currier specimens (Jewel Tunnel Imports)

Morocco
Drâa-Tafilalet Region Midelt Province Imilchil Cercle Imilchil Caïdat Bou Azmou ⓘ Takat (Takkat n' Sountat)	Jordi Fabre specimens

New Zealand
Auckland Region Waitakere Ranges ⓘ Te Henga Road quarry	Collection of RJ Martin correlated to ...

Nicaragua
Boaco Department ⓘ Boaco	Rock Currier collection #8720

Norway
Agder Bygland ⓘ Hamre Copper Mine	Breivik (2015)
Evje og Hornnes Landsverk ⓘ Landsverk 1 Feldspar Quarry (Jokeli) ?	Revheim (2007)
Iveland Ljosland ⓘ Storsynken (Ljosland 10 Feldspar Quarry)	Breivik et al. (2010)
Nordland Hamarøy Drag Eivollen ⓘ Nedre Eivollen	Husdal (2019)
Finnøya ⓘ Håkonhals Quarry	Husdal (2008)
Sørfold ⓘ Tennvatn pegmatite	Ellingsen et al. (1995) +1 other reference
Troms og Finnmark Hasvik ⓘ Road cuts Fv 882 south of Haraldseng	P. Andresen collected summer 2003.
Tromsø Kvaløya ⓘ Kattfjordeidet	Nordrum (2008)
Vestfold Færder ⓘ Sandø	Larsen et al. (2010)
Holmestrand Kjeksrød ⓘ Hanekleiva tunnel	Nordrum et al. (1997) +1 other reference
Larvik Commune ⓘ Eikaholmen	Collection of Naturhistoriska Riksmuseet i Stockholm (The Natural History Museum)
Store Arøya (Arøy) ⓘ Old prospect	Larsen (2002)
Sandefjord ⓘ Fokserød	Larsen et al. (2010)
ⓘ Aasmund Berg Quarries	Larsen (2002)
Vesterøya ⓘ Haga	Knut Edvard Larsen collection (# 2824)
Vindal ⓘ Vindalsvingen	Larsen et al. (2010)

Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Niemcza Niemcza ⓘ Pangelberg	Zellner F.W. (1834)
Jawor County Gmina Mściwojów Zimnik ⓘ Zimnik II quarry	Tomas Praszkier
Karkonosze County Piechowice ⓘ Michałowice granite quarry	Krzysztof Andrzejewski
Kłodzko County Gmina Nowa Ruda ⓘ Nowa Ruda Massif	Kapuściński (1992) +1 other reference
ⓘ Nowa Ruda	Kapuściński (1992)
ⓘ Słupiec gabbro dump	Andrzejewski K. (1993)
Świdnica County Gmina Dobromierz ⓘ Borów	Stephanie Martin collection
ⓘ Gmina Strzegom	Tomas Praszkier
Kostrza ⓘ Wekom II quarry	Mindat.org field trip July 12 2011
Strzegom ⓘ Grabina I quarry	King (n.d.)
ⓘ Granit-Wiatrak quarry	Ivan Novikov
Żółkiewka ⓘ Andrzej I quarry	E. Szeleg
ⓘ Andrzej III quarry	Andrzej Korzekwa and Spirifer Minerals ...
Wrocław County Gmina Jordanów Śląski ⓘ Jordanów nephrite quarry	Lis et al. (1986)

Romania
Caraş-Severin County Moldova Nouă ⓘ Moldova Nouă Mine	www.minerals-of-the-carpathians
Hunedoara County ⓘ Crișcior	minerals-of-the-carpathians.eu (2008)

Russia
Buryatia ⓘ Baikal area
Ulan-Ude ⓘ Oshurkovskiy intrusion	Andrey Vishnevskiy/Novosibirsk State ...
Kamchatka Krai Ust-Bolsheretsky District ⓘ Il'inskaya Sopka volcano	Pavel.M. Kartashov data.
Yelizovsky District Kronotsky Reserve ⓘ Uzon Caldera	maurice.strahlen.org (2003)
Khanty-Mansi Autonomous Okrug Berezovo district Saranpaul ⓘ Puiva Mount	Burlakov (1999)
Krasnoyarsk Krai Evenkiysky District Nizhnyaya Tunguska River Basin ⓘ Amudikha River	Levitsky et al. (2010)
ⓘ Levoberezhnoe Iceland spar deposit	Chukanov et al. (2003)
ⓘ Nidym River	Kievlenko et al. (1987)
Tura ⓘ Tura quarry	www.mindat.org (n.d.)
Taymyrskiy Autonomous Okrug Taimyr Peninsula Norilsk-Talnakh Mining Region Talnakh Cu-Ni Deposit ⓘ Otdel'naya Mountain	Alferova (2007)
Murmansk Oblast Olenegorsk ⓘ Olenegorskoe Fe deposit	Bazai et al. (2009)
Voron'i Tundry ⓘ Kolmozerskoe deposit	Pavel Fedorov collection
Primorsky Krai Dalnegorsk Urban District ⓘ Dalnegorsk	Grant et al. (2001)
ⓘ Sakha	[World of Stones 12:49]
Sverdlovsk Oblast Asbest ⓘ Bazhenovskoye deposit	Антонов (2003)
Zabaykalsky Krai Borzya ⓘ Klichka	Pavel Kartashov - ...
Krasnochikoysky District Krasnyi Chikoy ⓘ Gornoe uranium deposit	Dmitry Krinov analytical data
Malkhan pegmatite field ⓘ Danburitovaya pegmatite vein	Grant (2001)

Slovakia
Prešov Region Prešov District Fintice ⓘ Fintice quarry	Ďuďa
Vyšná Šebastová ⓘ Maglovec quarry	Ďuďa
Vranov nad Topľou District Vechec ⓘ Vechec quarry	Števko M. et al. (2019)

South Africa
Limpopo Mopani District Municipality Ba-Phalaborwa Local Municipality Phalaborwa ⓘ Palabora Mine	Braithwaite et al. (1991) +1 other reference

Spain
Andalusia Málaga Canillas de Aceituno ⓘ La Rahije (El Molinillo)	Calvo Rebollar (2018)
Aragon Huesca Estopiñán del Castillo ⓘ Road to Canelles dam (Estopiñán dam)	Calvo Rebollar (2018)
Canary Islands Las Palmas Province Gran Canaria ⓘ Agaete	Fabre (n.d.)
Santa Cruz de Tenerife Province Tenerife Santiago del Teide ⓘ ~~Puerto de Santiago~~	Dill et al. (2023)
Castile-La Mancha Toledo Las Ventas con Peña Aguilera La Escalerilla Area ⓘ Los ángeles quarry	Calvo Rebollar (2018)
Community of Madrid Cadalso de los Vidrios ⓘ Veneros claim	Sainz de Baranda Graf et al. (2026)
El Berrueco ⓘ Los Taberneros Quarry (La Cabrera pluton)	Calvo Rebollar (2018)
La Cabrera ⓘ Collado de La Tejera (La Cabrera pluton)	González del Tánago et al. (2008)
ⓘ La Cabrera pluton	Tánago et al. (2012)
Loyozuela-Navas-Sieteiglesias Sieteiglesias ⓘ Lanchar del Molino Quarry	Jiménez R. et al. (2004)
Valdemanco ⓘ El Madroñal Quarry (La Cabrera pluton)	González del Tánago et al. (2008)
ⓘ Los Alisos W Quarry (La Cabrera pluton)	González del Tánago et al. (2008)
ⓘ Peña Mojada Quarry (Los Alisos E Quarry; La Cabrera pluton)	González del Tánago et al. (2008)
Galicia Pontevedra Ponteareas ⓘ Cillarga Quarry	Calvo et al. (2009)

Sudan
Al Qadarif ⓘ Unnamed zeolite occurrence	Suliman et al. (2025)

Switzerland
Grisons Surselva Region Tujetsch Sedrun ⓘ Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas)	Jahn (2008)
Ticino Vallemaggia Lavizzara Sambuco Valley ⓘ Narèt area	Meier et al. (1982)
Uri Reuss Valley Amsteg NEAT Construction site ⓘ St Gotthard basis tunnel (north section)	S Wolfsried collection
Göschenen ⓘ St Gotthard Railway tunnel (north section)	Weisenberger et al. (2014)
Valais Goms Binn ⓘ Chriegalp valley ?	Van der Burgt et al. (2015)
ⓘ Schwarzhorn	Personally collected by Günter Frenz
Hérens Evolène ⓘ Arolla Valley	Conny Larsson specimen & photo
Arolla ⓘ Pièce Glacier	Cuchet et al. (2008)

Tajikistan
Sughd Mastchoh District Altyn-Topkan ore field (Zarnisor ore field) ⓘ Altyn-Topkan deposit (Altyntopkan deposit; Altyn-Topkan Mine; Zarnisor deposit; Zarnisori Shimoli deposit; Northern Zarnisor deposit)	Xinjiang Tacheng International Resources Ltd.
ⓘ Tash-Geze deposit (Tashgeze deposit)	Badalov et al. (1977)

UK
England Cornwall Mullion ⓘ Parc Bean Cove	Golley et al. (1995)
St Keverne ⓘ Dean Quarry
County Durham Forest and Frith ⓘ High Force Quarry	Day (1999)
Cumbria Eden Mungrisdale ⓘ Carrock Mine ?	Hartley (1984) +2 other references
Devon West Devon Okehampton Hamlets ⓘ Meldon Aplite Quarry	www.mineralman.f9.co.uk (2001)
Northern Ireland County Down Kilkeel Aughrim Hill ⓘ Aughrim Quarry	Moreton et al. (2012)
Mourne Mountains Newcastle ⓘ Lindsay's Leap	Green et al. (2005)
Scotland Highland Eilean á Chèo Isle of Skye ⓘ Allt Mor	[Specimen in the Natural History Museum
Duirinish ⓘ Moonen Bay	Green et al. (1996)
Luib ⓘ Eas a Bradain	Steve Rust collection
Minginish Carbost Talisker ⓘ Talisker Bay
Glen Brittle ⓘ Sgurr nam Boc	Wolfe et al. (2008)
Trotternish Staffin Flodigarry ⓘ Flodigarry Quarry	Day (1999)
ⓘ The Storr	Day (1999)
Waternish Edinbane Blackhill ⓘ A850 road cut
Inverclyde Kilmacolm (Kilmalcolm) ⓘ Auchenbothie	BMS Collection
ⓘ Port Glasgow	[Specimen in the Natural History Museum
Renfrewshire ⓘ Hartfield Moss	Day (1999)
Stirling ⓘ Blanefield	[Specimen in the Natural History Museum
West Dunbartonshire ⓘ Old Kilpatrick	in the collection of NHM London

Ukraine
Crimea Feodosia area ⓘ Karadag Reserve (Kara-Dag)	Tischenko A. data
Simeiz area Goluboi Zaliv village (Limeny) ⓘ Khyr-Pilyaki rocky mountain	Dvoichenko (1914)
Simferopol area Al'ma River valley ⓘ Kizilovka village (Karagach)	Dvoichenko P.A. The minerals of Crimea (1914)
Volyn Oblast ⓘ Zhyrychi Cu deposit	Emetz et al. (2005)

USA
Alaska Petersburg Borough ⓘ Kuiu Island	Di Renzo et al. (1997)
ⓘ Rocky Pass	Valange et al. (1996) +1 other reference
Arizona Gila County Banner Mining District Christmas ⓘ Christmas Mine	Excalibur Mineral Company specimen - ...
Arkansas Pulaski County Little Rock Granite Mountain area ⓘ Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)	King (n.d.)
ⓘ Granite Mountain Quarry No. 1	Chris Emproto Collection
California Inyo County Bishop Mining District (Tungsten Hills Mining District) Scheelite ⓘ Pine Creek Mine	Oswald et al. (1971) +1 other reference
Riverside County Jurupa Valley Crestmore ⓘ Crestmore quarries	[micromounts@yahoogroups.com]
San Diego County Ramona Mining District Ramona Little Three Mine area ⓘ Little Three Mine	Foord et al. (1989)
Colorado Jefferson County Golden Mining District Golden ⓘ North Table Mountain	Rocks & Minerals 79:4
ⓘ South Table Mountain	Rocks & Minerals 79:4
Connecticut Fairfield County Brookfield ⓘ U. S. Route 7 Expressway (Danbury line to Iron Works District)	former Ronald Januzzi collection.
Newtown ⓘ Interstate 84 road cuts (Route 6A bypass)	Tschernich (1992) +1 other reference
ⓘ Norwalk	Cristofono (n.d.)
ⓘ State route 15 / US highway 7 interchange area	P Cristofono collection
Trumbull Long Hill ⓘ Old Mine Plaza construction site	Dr. Wilfred Talbot specimens +1 other reference
Litchfield County ⓘ Plymouth	Moritz (n.d.)
ⓘ Hancock Brook Dam	Force (1990s)
Thomaston Thomaston Dam ⓘ Thomaston Dam railroad cut	Moritz (n.d.)
ⓘ Watertown	Moritz (n.d.)
ⓘ State Route 8 interchange 34 (formerly 37)	Moritz (n.d.) +3 other references
Woodbury Orenaug Hills ⓘ O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry)	Moritz (n.d.)
ⓘ O & G Woodbury Traprock Quarry (Orenaug Quarry; O & G No. 1 Quarry)	Tschernich (1992) +1 other reference
New Haven County Beacon Falls ⓘ Barrett Brothers Quarry (D and J Quarry)	Moritz (n.d.)
ⓘ Branford	Former Alfred E. Hammer collection
Georgia Fulton County Red Oak ⓘ Red Oak Quarry	Verified by XRD by Travis Olds
Idaho Adams County Seven Devils Mining District ⓘ Blue Jacket Mine	Tschernich (1992)
Custer County ⓘ Rat's Nest claim	David Eicher
Maine Hancock County Blue Hill - Castine Mining District Blue Hill Townline and Route 172 Outcrops ⓘ County Route 172 roadcut	King et al. (1994)
T10 SD Catherine Mountain ⓘ Catherine Mountain Molybdenite prospect	Thompson et al. (1998)
Washington County Calais Red Beach ⓘ Route 1 road cut	King (n.d.)
Perry ⓘ Loring Cove	Thompson et al. (1998)
Massachusetts Middlesex County Woburn ⓘ North Woburn	Cristofono (n.d.)
Michigan Houghton County Hancock Township Sevenmile Creek ⓘ Copper Prospect (MRDS - 10146303)	Heinrich et al. (2004)
Keweenaw County Eagle Harbor Township Copper Falls ⓘ Copper Falls Mine	Heinrich et al. (2004)
New Jersey Essex County Montclair ⓘ Montclair	Betts (n.d.)
Hudson County Bergen Hill ⓘ Guttenberg	King (n.d.)
Secaucus ⓘ Laurel Hill
Passaic County ⓘ Paterson	Canfield (1898)
ⓘ Upper New Street Quarry	Lavinsky (n.d.)
Prospect Park ⓘ Prospect Park Quarry
Somerset County Bernards Township ⓘ Millington Quarry	Kent et al. (2000)
Sussex County Ogdensburg Sterling Hill ⓘ Sterling Mine	Lance Kearns
Union County Springfield Township Springfield ⓘ Houdaille Quarry (Summit Quarry; Commonwealth Quarry)	Tony Nikischer and Luis Menezes
New Mexico Grant County Alum Mountain Mining District (Alum Mining District) Gila Hot Springs ⓘ SA Canyon (Grapevine Campground)	Patrick Haynes
New York New York City Queens (Queens County) Woodside ⓘ Water Tunnel #3	Betts (n.d.)
St. Lawrence County Fine ⓘ Scott farm pegmatites	Marian Lupulescu (2010)
ⓘ North Carolina	Leonard S.Wiener and Sigrid Ballew
Davidson County Thomasville ⓘ Thomasville Quarry (Martin Marietta Quarry)	www.John Betts.com
Oregon Benton County Coffin Butte ⓘ Valley Landfill Pit (S2F quarry)	Phyllis Richardson
Jackson County Lost Creek Reservoir ⓘ Crowfoot Road	Phyllis Richardson
Malheur County Lake Owyhee State Park ⓘ Owyhee Dam	Staples et al. (1973)
ⓘ Snively Hot Spring ?	Jonathan Gladwell Collection
Pennsylvania Berks County Birdsboro Gibraltar ⓘ Dyer Quarry	Sloto (2016)
Chester County Warwick Township Saint Peters ⓘ French Creek Mines	Gordon (1922)
Montgomery County Lower Merion Township ⓘ Flat Rock Tunnel	Gordon (1922)
Marlborough Township Perkiomenville ⓘ Kibblehouse Quarry	Ronald A. Sloto (2019)
Philadelphia County Philadelphia Frankford ⓘ Barber's Quarry	Gordon (1922)
Tacony Creek Valley ⓘ Jerry O'Neill's Quarry	Gordon: Min. Penn (1922)
Rhode Island Providence County Burrillville Harrisville ⓘ Spring Lake
Oakland ⓘ State Route 102 road cut
Washington County Westerly Bradford ⓘ Crumb Granite Quarry
Virginia Fairfax County ⓘ Manassas Quarry	ID'd by Tony Kampf
Loudoun County Leesburg ⓘ Leesburg Quarry	Jamison K. Brizendine specimens
Prince William County Manassas ⓘ Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry)	ID'd by Tony Kampf. I had listed them ...

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Stilbite-Ca

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