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Pezzottaite-(Cs)

A valid IMA mineral species

This page kindly sponsored by Dr. Yu Chen Huang

Photos of Pezzottaite-(Cs) (185)Discuss Pezzottaite-(Cs)

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Pezzottaite-(Cs)

Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Pezzottaite-(Cs)

Khetchel village, Molo quarter, Momeik Township, Kyaukme District, Shan State, Myanmar

Pezzottaite-(Cs)

Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Pezzottaite-(Cs)

Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Pezzottaite-(Cs)

Khetchel village, Molo quarter, Momeik Township, Kyaukme District, Shan State, Myanmar

Pezzottaite-(Cs)

Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Pezzottaite-(Cs)

Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Pezzottaite-(Cs)

Khetchel village, Molo quarter, Momeik Township, Kyaukme District, Shan State, Myanmar

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About Pezzottaite-(Cs)Hide

Federico Pezzotta

Formula:

Cs(Be₂Li)Al₂(Si₆O₁₈)

Colour:

Raspberry-red to pink

Lustre:

Vitreous

Hardness:

Specific Gravity:

2.97

Crystal System:

Trigonal

Member of:

Beryl Group > Beryl Supergroup

Name:

Named by Brendan M. Laurs, et al. in 2003 in honor of Federico Pezzotta (28 October 1965, Bergamo, Italy - ), petrologist and curator at the Museo Civico, Milano, Italy, for his work on Madagascar's granitic pegmatites.

Type Locality:

ⓘ Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

Related to beryl. Pezzottaite is trigonal while beryl is hexagonal.

Visit gemdat.org for gemological information about Pezzottaite-(Cs).

Unique IdentifiersHide

Mindat ID:

25652

Long-form identifier:

mindat:1:1:25652:6

IMA Classification of Pezzottaite-(Cs)Hide

IMA status:

Approved

IMA status notes:

Renamed by the IMA

Approval year:

2003

First published:

2004

Approval history:

renamed from pezzottaite

Classification of Pezzottaite-(Cs)Hide

Strunz-mindat (2026):

9.CJ.60

9 : SILICATES (Germanates)
C : Cyclosilicates
J : [Si₆O₁₈]₁₂- 6-membered single rings (sechser-Einfachringe), without insular complex anions

Mineral SymbolsHide

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

Symbol	Source	Reference for Standard
Pez	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Pezzottaite-(Cs)Hide

Lustre:

Vitreous

Transparency:

Transparent, Translucent

Colour:

Raspberry-red to pink

Streak:

White

Hardness:

8 on Mohs scale

Tenacity:

Brittle

Cleavage:

Imperfect/Fair
(001)

Parting:

None observed

Fracture:

Irregular/Uneven, Conchoidal

Density:

2.97 g/cm³ (Measured) 3.06 g/cm³ (Calculated)

Optical Data of Pezzottaite-(Cs)Hide

Type:

Uniaxial (-)

RI values:

n_ω = 1.612 - 1.62 n_ε = 1.601 - 1.611

Max. Birefringence:

δ = 0.009 - 0.011
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:

High (positive)
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 uniaxial interference figure - the conoscopic (convergent-light, Bertrand-lens-in) view, for a grain cut with the optic axis centred and vertical. The coloured rings are isochromatics, computed with the same physics as the Michel-Lévy bar above; the dark cross is the isogyre.

For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.

Thickness: 30 µm

Pleochroism:

Strong

Comments:

Orange-red to purple-violet.

Chemistry of Pezzottaite-(Cs)Hide

Mindat Formula:

Cs(Be₂Li)Al₂(Si₆O₁₈)

Element Weights:

Element	% weight
O	43.091 %
Si	25.214 %
Cs	19.886 %
Al	8.074 %
Be	2.697 %
Li	1.039 %

Calculated from ideal end-member formula.

Elements listed:

Al, Be, Cs, Li, O, Si - search for minerals with similar chemistry

Crystallography of Pezzottaite-(Cs)Hide

Crystal System:

Trigonal

Class (H-M):

3 - Rhombohedral

Space Group:

Cell Parameters:

a = 15.946 Å, c = 27.803 Å

Ratio:

a:c = 1 : 1.744

Unit Cell V:

6122 Å³

Morphology:

Hexagonal tabular crystals, small flat to equant crystals. Forms are dominant {001} with minor {100} and {101}.

Twinning:

None observed.

Crystal StructureHide

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

View
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)
0020677	Pezzottaite-(Cs)	Gatta D G, Adamo I, Meven M, Lambruschi E (2012) A single-crystal neutron and X-ray diffraction of pezzottaite Physics and Chemistry of Minerals 39 829-840	2012	Sakavalana pegmatite, Ambatovita, Madagascar	298
0012413	Pezzottaite-(Cs)	Yakubivich O V, Pekov I V, Steele I M, Massa W, Chukanov N V (2009) Alkali metals in beryl and their role in the formation of derivative structural motifs: Comparative crystal chemistry of vorobyevite and pezzottaite Crystallography Reports 54 399-412	2009	Sakavalana granitic pegmatite, Antsirabe, Fianarantsoa Province, Madagascar	100
0020678	Pezzottaite-(Cs)	Gatta D G, Adamo I, Meven M, Lambruschi E (2012) A single-crystal neutron and X-ray diffraction of pezzottaite Physics and Chemistry of Minerals 39 829-840	2012	Sakavalana pegmatite, Ambatovita, Madagascar	2.3

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Pezzottaite'
loop_
_publ_author_name
'Gatta D G'
'Adamo I'
'Meven M'
'Lambruschi E'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 39 
_journal_year 2012
_journal_page_first 829
_journal_page_last 840
_publ_section_title
;
 A single-crystal neutron and X-ray diffraction of pezzottaite
 Note: X-ray data, T = 298 K
;
_database_code_amcsd 0020677
_chemical_compound_source 'Sakavalana pegmatite, Ambatovita, Madagascar'
_chemical_formula_sum 'Cs.717 Na.121 Be2 Li Al2 Si6 O18'
_cell_length_a 15.9615
_cell_length_b 15.9615
_cell_length_c 27.8568
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 6146.236
_exptl_crystal_density_diffrn      3.081
_symmetry_space_group_name_H-M 'R -3 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,1/2+z'
  '2/3+x,1/3+x-y,5/6+z'
  '1/3+x,2/3+x-y,1/6+z'
  'y,x,1/2-z'
  '2/3+y,1/3+x,5/6-z'
  '1/3+y,2/3+x,1/6-z'
  '-x+y,y,1/2+z'
  '2/3-x+y,1/3+y,5/6+z'
  '1/3-x+y,2/3+y,1/6+z'
  '-x,-x+y,1/2-z'
  '2/3-x,1/3-x+y,5/6-z'
  '1/3-x,2/3-x+y,1/6-z'
  '-y,-x,1/2+z'
  '2/3-y,1/3-x,5/6+z'
  '1/3-y,2/3-x,1/6+z'
  'x-y,-y,1/2-z'
  '2/3+x-y,1/3-y,5/6-z'
  '1/3+x-y,2/3-y,1/6-z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-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
Cs1   0.00000   0.00000  -0.08208   0.69400   0.02230
Cs2   0.00000   0.00000   0.25000   0.76400   0.02940
Na1   0.00000   0.00000   0.00000   0.19800   0.00300
Na2   0.00000   0.00000  -0.16250   0.08300   0.00300
Be   0.33791   0.17045   0.08404   1.00000   0.00830
Li   0.50310   0.50310   0.75000   1.00000   0.00740
Al1   0.66667   0.00046   0.08333   1.00000   0.00530
Al2  -0.00541   0.33333   0.08333   1.00000   0.00470
Si1   0.04509   0.21954  -0.00098   1.00000   0.00450
Si2   0.21989   0.05039   0.16545   1.00000   0.00400
Si3   0.04999  -0.17009   0.16639   1.00000   0.00420
O1   0.27627   0.06425   0.21526   1.00000   0.01040
O2   0.07013   0.28069  -0.05060   1.00000   0.01010
O3   0.06050  -0.22828   0.12297   1.00000   0.01480
O4   0.28879   0.07412   0.11922   1.00000   0.00940
O5   0.05203   0.28245   0.04471   1.00000   0.01340
O6   0.06834  -0.20446   0.21767   1.00000   0.01000
O7  -0.05907   0.12006  -0.00504   1.00000   0.01160
O8  -0.05343  -0.17373   0.16592   1.00000   0.01120
O9   0.12653  -0.05597   0.16037   1.00000   0.01240
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Cs1 0.02390 0.02390 0.01900 0.01200 0.00000 0.00000
Cs2 0.03380 0.03380 0.02090 0.01690 0.00000 0.00000
Be 0.00900 0.00900 0.00800 0.00500 0.00100 -0.00100
Li 0.00600 0.00600 0.00600 0.00100 0.00100 0.00100
Al1 0.00500 0.00570 0.00480 0.00250 0.00010 0.00010
Al2 0.00530 0.00370 0.00460 0.00190 0.00010 0.00010
Si1 0.00420 0.00370 0.00520 0.00180 0.00040 0.00010
Si2 0.00320 0.00350 0.00480 0.00130 -0.00020 0.00010
Si3 0.00400 0.00420 0.00480 0.00220 -0.00060 -0.00030
O1 0.01180 0.01010 0.00720 0.00400 -0.00350 0.00120
O2 0.00930 0.00970 0.00950 0.00350 -0.00050 0.00390
O3 0.01740 0.01990 0.01210 0.01320 -0.00490 -0.00930
O4 0.01040 0.00930 0.00830 0.00470 0.00450 0.00060
O5 0.01670 0.00830 0.01160 0.00350 0.00520 -0.00270
O6 0.00590 0.01340 0.00890 0.00360 0.00100 0.00490
O7 0.00640 0.00770 0.01920 0.00250 0.00120 -0.00020
O8 0.00600 0.01120 0.01730 0.00490 -0.00070 0.00150
O9 0.00760 0.00540 0.02130 0.00110 -0.00090 0.00150

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.271 Å	(100)
2.871 Å	(52)
3.027 Å	(41)
3.019 Å	(29)
2.215 Å	(14)
1.636 Å	(14)
2.229 Å	(12)
1.749 Å	(12)

Comments:

Sakavalana pegmatite, Madagascar.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of Pezzottaite-(Cs)Hide

Type Locality:

ⓘ Sakavalana mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar

General Appearance of Type Material:

Isolated crystals, as irregularly shaped flat masses filling cavities between cleavelandite, quartz and tourmaline, subhedral-to-euhedral hexagonal tabular crystals to 10 cm in diameter, and as small flat to equant to elongated crystals attached to faces of large tourmaline crystals.

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA.
Canadian Museum of Nature, Ottawa, Ontario, Canada.
Natural History Museum, Bern, Switzerland, number NMBE-36990.

Geological Setting of Type Material:

Pegmatite

Associated Minerals at Type Locality:

Synonyms of Pezzottaite-(Cs)Hide

IMA2003-022

Pezzottaite

Other Language Names for Pezzottaite-(Cs)Hide

Dutch:Pezzottaiet

German:Pezzottait

Simplified Chinese:铯绿柱石
硅铝铯铍石

Traditional Chinese:銫綠柱石
矽鋁銫鈹石

Relationship of Pezzottaite-(Cs) to other SpeciesHide

Member of:

Beryl Group > Beryl Supergroup

Other Members of Beryl Group:

Bazzite	Be₃Sc₂(Si₆O₁₈)	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Beryl	Be₃Al₂(Si₆O₁₈)	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Johnkoivulaite-(Cs)	Cs[Be₂B]Mg₂Si₆O₁₈	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Stoppaniite	Be₃Fe³⁺₂(Si₆O₁₈) · H₂O	Hex. 6/mmm(6/m2/m2/m) : P6/mcc

Common AssociatesHide

Associations Based on Photo Data:

26 photos of Pezzottaite-(Cs) associated with Schorl	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
20 photos of Pezzottaite-(Cs) associated with Albite	Na(AlSi₃O₈)
13 photos of Pezzottaite-(Cs) associated with Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
12 photos of Pezzottaite-(Cs) associated with Chiavennite	CaMnBe₂Si₅O₁₃(OH)₂ · 2H₂O
8 photos of Pezzottaite-(Cs) associated with Quartz	SiO₂
8 photos of Pezzottaite-(Cs) associated with Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
6 photos of Pezzottaite-(Cs) associated with Cassiterite	SnO₂
6 photos of Pezzottaite-(Cs) associated with 'Chalcedony'	SiO₂
3 photos of Pezzottaite-(Cs) associated with Lepidolite
2 photos of Pezzottaite-(Cs) associated with 'Cleavelandite'	Na(AlSi₃O₈)

Related Minerals - Strunz-mindat Grouping Hide

9.CJ.	Zolotarevite	Na₅Zr[Si₆O₁₅(OH)₃] · 3H₂O	Trig. 3m(32/m) : R3m
9.CJ.	'Avdeevite'	NaAl₄(Be₅Li)(Si₆O₁₈)₂(H₂O)_1-2	Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc
9.CJ.	'Beryllocordierite-Na'	NaMg₄(Al₅Be)(AlSi₅O₁₈)₂ · 2H₂O	Orth. mmm(2/m2/m2/m) : Cccm
9.CJ.	Sachanbińskiite	NaMn₄(Al₅Be)(AlSi₅O₁₈)₂ · 2H₂O	Orth. mmm(2/m2/m2/m) : Cccm
9.CJ.	Nakkaalaaqite	K₂[Na₃Ca]LiCa₂Ti₂Be₄Si₁₂O₃₈	Orth. mmm(2/m2/m2/m) : Fddd
9.CJ.05	Johnkoivulaite-(Cs)	Cs[Be₂B]Mg₂Si₆O₁₈	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.05	Beryl	Be₃Al₂(Si₆O₁₈)	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.05	Bazzite	Be₃Sc₂(Si₆O₁₈)	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.05	Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.05 va	'Vorobyevite'	Be₃Al₂(Si₆O₁₈)
9.CJ.05	Stoppaniite	Be₃Fe³⁺₂(Si₆O₁₈) · H₂O	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.05	Indialite	Mg₂Al₃(AlSi₅O₁₈)	Hex. 6/mmm(6/m2/m2/m) : P6/mcc
9.CJ.10	Sekaninaite	Fe²⁺₂Al₄Si₅O₁₈	Orth. mmm(2/m2/m2/m) : Cccm
9.CJ.10	Cordierite	Mg₂Al₄Si₅O₁₈	Orth. mmm(2/m2/m2/m) : Cccm
9.CJ.15a	Zirsinalite	Na₆(Ca,Mn²⁺,Fe²⁺)Zr(Si₆O₁₈)	Trig. 3m(32/m) : R3m
9.CJ.15a	Kapustinite	Na₆ZrSi₆O₁₆(OH)₂	Mon. 2/m : B2/m
9.CJ.15a	Townendite	Na₈ZrSi₆O₁₈	Trig. 3m(32/m) : R3m
9.CJ.15a	Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5	Trig. 3m(32/m) : R3m
9.CJ.15a	Kazakovite	Na₆Mn²⁺Ti(Si₆O₁₈)	Trig. 3m(32/m) : R3m
9.CJ.15a	Tisinalite	Na₃H₃(Mn,Ca,Fe)TiSi₆(O,OH)₁₈ · 2H₂O	Trig. 3m(32/m)
9.CJ.15a	Lovozerite	Na₂Ca(Zr,Ti)(Si₆O₁₂)[(OH)₄O₂] · H₂O	Trig. 3 : R3
9.CJ.15a	Litvinskite	Na₂(◻,Na,Mn)ZrSi₆O₁₂(OH,O)₆	Mon. m : Bm
9.CJ.15c	Koashvite	Na₆(Ca,Mn)(Ti,Fe)Si₆O₁₈ · H₂O	Orth. mmm(2/m2/m2/m)
9.CJ.15b	Imandrite	Na₁₂Ca₃Fe³⁺₂(Si₆O₁₈)₂	Orth. mmm(2/m2/m2/m)
9.CJ.25	Baratovite	KCa₇(Ti,Zr)₂Li₃Si₁₂O₃₆F₂	Mon. 2/m : B2/b
9.CJ.25	Aleksandrovite	KCa₇Sn₂Li₃Si₁₂O₃₆F₂	Mon. 2/m : B2/b
9.CJ.25	Katayamalite	KLi₃Ca₇Ti₂(SiO₃)₁₂(OH)₂	Mon. 2/m : B2/b
9.CJ.30	Dioptase	CuSiO₃ · H₂O	Trig. 3 : R3
9.CJ.35	Kostylevite	K₂Zr(Si₃O₉) · H₂O	Mon. 2/m : P2₁/b
9.CJ.40	Petarasite	Na₅Zr₂(Si₆O₁₈)(Cl,OH) · 2H₂O	Mon. 2/m : P2₁/m
9.CJ.45	Gerenite-(Y)	(Ca,Na)₂(Y,REE)₃Si₆O₁₈ · 2H₂O	Tric. 1 : P1
9.CJ.50	Odintsovite	K₂Na₄Ca₃Ti₂Be₄Si₁₂O₃₈	Orth. mmm(2/m2/m2/m) : Fddd
9.CJ.55	Mathewrogersite	Pb₇FeAl₃GeSi₁₂O₃₆(OH,H₂O)₆	Trig.

Fluorescence of Pezzottaite-(Cs)Hide

In UV light:

blue shortwave-excited luminescence excited by SW UV caused by titanate groups (TiO₆)

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 Pezzottaite-(Cs)Hide

mindat.org URL:

https://www.mindat.org/min-25652.html
Please feel free to link to this page.

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External Links:

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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

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References for Pezzottaite-(Cs)Hide

Reference List:

Laurs, Brendan M., Simmons, William B. (Skip), Rossman, George R., Quinn, Elizabeth P., McClure, Shane F., Peretti, Adi, Armbruster, Thomas, Hawthorne, Frank C., Falster, Alexander U., Günther, Detlef, Cooper, Mark A., Grobéty, Bernard (2003) Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral. Gems & Gemology, 39 (4) 284-301 doi:10.5741/gems.39.4.284

Hänni, H.A., Krzemnicki, M.S. (2003) Caesium-rich morganite from Afghanistan and Madagascar. The Journal of Gemmology, 28 (7) 417-429 doi:10.15506/jog.2003.28.7.417

Rossman, George R., Simmons, William B., Hawthorne, Frank C., Cooper, Mark A., Laurs, Brendan M., Armbruster, Thomas, Peretti, Adolf, Günter, Detlef, Grobéty, Bernard, Falster, Alexander U. (2004) Pezzottaite..a Spectacular New Beryl-Group Mineral from the Sakavalana Pegmatite, Fianarantsoa Province, Madagascar. The Mineralogical Record, 35 (5) 369-378

(2005) Beryl and its Color Varieties. extraLapis English 7. Lapis International LLC

Pezzotta, Federico; Guastoni, A.; Forner, H; Demartin, F.; Kristiansen, R. (2005) Découverte exceptionnelle de chiavennite associée à pezzottaite dans la pegmatite de Sakavalana, Mandrosonoro, Madagascar [Exceptional discovery of chiavennite associated with pezzottaite in the pegmatite of Sakavalana, Mandrosonoro, Madagascar]. Le Règne Minéral, 11 (62). 25-28

Piilonen, P. C. (2005) New mineral names. American Mineralogist, 90 (7) 1227-1232 doi:10.2138/am.2005.445

Locock, Andrew J., Piilonen, Paula C., Ercit, T. Scott, Rowe, Ralph (2006) New Mineral Names. American Mineralogist, 91 (1) 216-224 doi:10.2138/am.2006.454

Devouard, B. and Devidal, J.L. (2007): Pezzottaite from Myanmar. Gems & Gemology: Gem News International, 43(1), 70-72.

(2009) Kristallografiya: 54: 432-445.

Yakubovich, O. V., Pekov, I. V., Steele, I. M., Massa, W., Chukanov, N. V. (2009) Alkali metals in beryl and their role in the formation of derivative structural motifs: Comparative crystal chemistry of vorobyevite and pezzottaite. Crystallography Reports, 54 (3) 399-412 doi:10.1134/s1063774509030067

Gatta, G. Diego, Adamo, Ilaria, Meven, Martin, Lambruschi, Erica (2012) A single-crystal neutron and X-ray diffraction study of pezzottaite, Cs(Be2Li)Al2Si6O18. Physics and Chemistry of Minerals, 39 (10) 829-840 doi:10.1007/s00269-012-0539-3

(2014) Pezzottaite. Handbook of Mineralogy. Mineralogical Society of America

Skalwold, E.A., Koivula, J.I. (2015) Pezzottaite Debuts as the Newest Trapiche Gem Mineral. Gems & Gemology: 51(3): 326-328. [http://www.gia.edu/gems-gemology/fall-2015-microworld-pezzottaite-debuts-trapiche-gem-mineral]

Vigier, Maxence, Fritsch, Emmanuel, Cavignac, Théo, Latouche, Camille, Jobic, Stéphane (2023) Shortwave UV Blue Luminescence of Some Minerals and Gems Due to Titanate Groups. Minerals, 13 (1) 104 doi:10.3390/min13010104

Larsen, Knut Edvard (2023) Minerals first described from Madagascar. Norsk Mineralsymposium 2023, 89-122

[1]Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2025) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 87. Mineralogical Magazine, 89 (5). 1-6 doi:10.1180/mgm.2025.10163

Localities for Pezzottaite-(Cs)Hide

Showing 13 localities.

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

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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.


Afghanistan
Kunar Dara-e-Pech District ⓘ Dara-e-Pech pegmatite field	Herb Obodda
Nuristan Parun pegmatite field ⓘ Dewa Mine	- (2005)

Austria
Lower Austria Waidhofen an der Thaya District Raabs an der Thaya Eibenstein an der Thaya ⓘ Hengl quarry ?	Kolitsch et al. (2020)

China
Qinghai Haixi Mongol and Tibetan Autonomous Prefecture Tianjun County ⓘ Chakabeishan rare-element pegmatites	Luo et al. (2026)

Czech Republic
Vysočina Region Žďár nad Sázavou District Dolní Rožínka ⓘ Dolní Rožínk pegmatite	Skřápková et al. (2026)
Ujčov ⓘ Kovářová	Přikryl et al. (2012)

Madagascar (TL)
Amoron'i Mania Ambatofinandrahana District Mandrosonoro Ambatovita ⓘ Sakavalana mine (TL)	Laurs et al. (Skip) +2 other references
Vakinankaratra Antsirabe II District Ibity Sahatany Valley ⓘ Manjaka (Sahananana)	Natural History Museum Vienna collection
ⓘ Tompoambohitra (Tokambohitra)	Rob Lavinsky photo id 744080 ( Dr. Federico Pezzotta is cited in caption on the validity of the id)

Myanmar
Shan State Kyaukme District Momeik Township Molo quarter ⓘ Khetchel village (Cache village; Khat Che village)	Devouard et al. (2007)

Poland
Lower Silesian Voivodeship Dzierżoniów County Piława Górna DSS Piława Górna Quarry ⓘ Julianna pegmatite	A. Pieczka et al. (2016) +1 other reference
ⓘ Lithium pegmatite	Pieczka et al. (2012)

USA
Maine Oxford County Greenwood Uncle Tom Mountain ⓘ Emmons Quarry	Falster et al. (2019)

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Pezzottaite-(Cs)

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