Cheremnykhite Mineral Data

General Cheremnykhite Information

Chemical Formula:

Zn3Pb3Te++++O6(VO4)2

Composition:

Molecular Weight = 1,271.24 gm

Vanadium 8.01 % V 14.31 % V₂O₅

Zinc 15.43 % Zn 19.21 % ZnO

Tellurium 10.04 % Te 12.55 % TeO₂

Lead 48.90 % Pb 52.67 % PbO

Oxygen 17.62 % O

______ ______

100.00 % 98.74 % = TOTAL OXIDE

Empirical Formula:

Zn₃Pb₃(TeO₆)(VO₄)₂

Environment:

Late-stage interstitial mineral in calcite.

IMA Status:

Approved IMA 1990

Locality:

Kuranakh gold deposit, Central Aldan, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for I. M. Cheremnykh, Russian prospector, one of the discoverers of the Kuranakh deposit.

Synonym:

IMA1989-017

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Cheremnykhite Crystallography

Axial Ratios:

a:b:c =0.5773:1:0.3485

Cell Dimensions:

a = 8.58, b = 14.86, c = 5.18, Z = 2; V = 660.44 Den(Calc)= 6.39

Crystal System:

OrthorhombicSpace Group: C mmm,C 222,Cm2m,C mm2

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.3(1), 3(0.9), 1.607(0.6),

Physical Properties of Cheremnykhite

Cleavage:

{???} Perfect

Color:

Greenish yellow.

Diaphaneity:

Transparent

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

5.5 - Knife Blade

Luminescence:

Non-fluorescent.

Luster:

Adamantine

Streak:

white

Optical Properties of Cheremnykhite

Gladstone-Dale:

CI calc= 0.108 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1554,KC= 0.1743
Ncalc = 2.11

Optical Data:

Biaxial (-), a=1.986, b=1.9965, g=1.997, bire=0.0110, 2V(Calc)=24, 2V(Meas)=20. Dispersion r > v.

Pleochroism (x):

none.

Pleochroism (y):

none.

Pleochroism (z):

none.

Calculated Properties of Cheremnykhite

Electron Density:

Bulk Density (Electron Density)=5.49 gm/cc
note: Specific Gravity of Cheremnykhite =6.39 gm/cc.

Fermion Index:

Fermion Index = 0.12
Boson Index = 0.88

Photoelectric:

PE_{Cheremnykhite}= 919.98 barns/electron
U=PE_{Cheremnykhite} x rElectron Density=5,049.76 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cheremnykhite is Not Radioactive

Cheremnykhite Classification

Dana Class:

33.03.05.01 (33)Selenates and Tellurates

(33.03)with other anion groups

(33.03.05)Pb, Zn Tellurates

33.03.05.01 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho

33.03.05.02 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m

33.03.05.03 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m

33.03.05.04 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 3₂1 3 2

Strunz Class:

08.BL.20 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1

08.BL.20 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m

08.BL.20 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho

08.BL.20 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m

Other Cheremnykhite Information

References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Cheremnykhite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Cheremnykhite Specimen Label here :

Cheremnykhite

Zn3Pb3Te++++O6(VO4)2
Dana No: 33.03.05.01 Strunz No: 08.BL.20
Locality:

Notes: