Kuznetsovite Mineral Data

General Kuznetsovite Information

Chemical Formula:

Hg3Cl(AsO4)

Composition:

Molecular Weight = 776.14 gm

Mercury 77.53 % Hg 80.63 % Hg₂O

Arsenic 9.65 % As 14.81 % As₂O₅

Chlorine 4.57 % Cl 4.57 % Cl

- % Cl -1.03 % -O=Cl₂

Oxygen 8.25 % O

______ ______

100.00 % 98.97 % = TOTAL OXIDE

Empirical Formula:

Hg₃Cl(AsO₄)

IMA Status:

Approved IMA 1980 (Dana # Added)

Locality:

Arzak deposit, Tuva, Russia. Khaidarkan deposit, Kirghizia Link to MinDat.org Location Data.

Name Origin:

Named for V. A. Kuznetsov.

Name Pronunciation:

Kuznetsovite + Pronunciation

Synonym:

ICSD 39493

PDF 35-657

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Kuznetsovite Crystallography

Cell Dimensions:

a = 8.4013, Z = 4; V = 592.98 Den(Calc)= 8.69

Crystal System:

Isometric - TetartoidalH-M Symbol (2 3) Space Group: P 2₁3

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

By Intensity(I/I_o): 2.53(1), 2.81(0.7), 4.86(0.6),

Crystal Structure:

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Weil M , Zeitschrift fur Naturforschung , B56 (2001) p.753-758, Preparation and crystal structures of (Hg3)(PO4)Cl, (Hg3)(AsO4)Cl and, (Hg3)(AsO4)Br - mercury compounds with the triangular Hg4+3 cluster, Locality: synthetic

Physical Properties of Kuznetsovite

Cleavage:

None

Color:

Yellow brown, Honey brown, Light brown.

Density:

8.64 - 8.82, Average = 8.73

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Vitreous - Adamantine

Streak:

orange

Optical Properties of Kuznetsovite

Optical Data:

NCalc= 2.34 - from Gladstone-Dale relationship (KC = 0.1545) where Ncalc=Dcalc*KC+1
NCalc= 2.35 - from Gladstone-Dale relationship (KC = 0.1545) where Ncalc=Dmeas*KC+1

Calculated Properties of Kuznetsovite

Electron Density:

Bulk Density (Electron Density)=7.21 gm/cc
note: Specific Gravity of Kuznetsovite =8.69 gm/cc.

Fermion Index:

Fermion Index = 0.23
Boson Index = 0.77

Photoelectric:

PE_Kuznetsovite=1,330.47 barns/electron
U=PE_Kuznetsovite x rElectron Density=9,593.37 barns/cc.

Radioactivity:

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

Kuznetsovite Classification

Dana Class:

38.05.11.01 (38)Anhydrous Phosphates, etc

(38.05)with miscellaneous formulae

(38.05.11)Dana Group

38.05.11.01 Kuznetsovite! Hg3Cl(AsO4) P 2₁3 2 3

Strunz Class:

08.BO.35 08 - PHOSPHATES, ARSENATES, VANADATES

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

08.BO -With only large cations, (OH, etc.):RO4 ³ 1:1

08.BO.35 Kuznetsovite! Hg3Cl(AsO4) P 2₁3 2 3

Other Kuznetsovite Information

References:

NAME( AmMin) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Kuznetsovite :
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
15 - WWW-MINCRYST

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

Kuznetsovite

Hg3Cl(AsO4)
Dana No: 38.05.11.01 Strunz No: 08.BO.35
Locality:

Notes: