Zharchikhite Mineral Data

General Zharchikhite Information

Chemical Formula:

AlF(OH)2

Composition:

Molecular Weight = 79.99 gm

Aluminum 33.73 % Al 63.73 % Al₂O₃

Hydrogen 2.52 % H 22.52 % H₂O

Oxygen 40.00 % O

Fluorine 23.75 % F 23.75 % F

- % F -10.00 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

AlF(OH)₂

Environment:

Cavities in hydrothermally mineralized fault breccia in trachyte in a stockwork molybdenum deposit.

IMA Status:

Approved IMA 1988

Locality:

Zharchikha molybdenum deposit, 60 km south-southwest of Ulan-Ude, on the west side of Lake Baikal, Buryatia, eastern Siberia, Russia Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Zharchikhite + Pronunciation

Zharchikhite Crystallography

Axial Ratios:

a:b:c =0.6584:1:0.6603

Cell Dimensions:

a = 5.164, b = 7.843, c = 5.179, Z = 4; beta = 116.244° V = 188.13 Den(Calc)= 2.82

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2₁/a

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

By Intensity(I/I_o): 3.98(1), 1.833(0.9), 2.92(0.8),

Physical Properties of Zharchikhite

Cleavage:

{???} Perfect

Color:

Colorless.

Density:

2.81

Diaphaneity:

Transparent

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Zharchikhite

Optical Data:

Biaxial (-), a=1.532, b=1.552, g=1.567, bire=0.0350, 2V(Calc)=80, 2V(Meas)=80.

Calculated Properties of Zharchikhite

Electron Density:

Bulk Density (Electron Density)=2.82 gm/cc
note: Specific Gravity of Zharchikhite =2.82 gm/cc.

Fermion Index:

Fermion Index = 0.0001957857
Boson Index = 0.9998042143

Photoelectric:

PE_Zharchikhite= 1.16 barns/electron
U=PE_Zharchikhite x rElectron Density= 3.28 barns/cc.

Radioactivity:

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

Zharchikhite Classification

Dana Class:

10.02.08.01 (10)Oxyhalides and Hydroxyhalides

(10.02)where A (O,OH) Xq

(10.02.08)Dana Group

10.02.08.01 Zharchikhite AlF(OH)2 P 2₁/a 2/m

Strunz Class:

03.AC.05 03 - HALIDES

03.A - Simple Halides, Without H2O

03.AC -M:X = 1:3

03.AC.05 Zharchikhite AlF(OH)2 P 2₁/a 2/m

Other Zharchikhite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.74,p504,1989) OPTIC PROP.(Am.Min.,Vol.74,p504,1989)

See Also:

Links to other databases for Zharchikhite :
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 Zharchikhite Specimen Label here :

Zharchikhite

AlF(OH)2
Dana No: 10.02.08.01 Strunz No: 03.AC.05
Locality:

Notes: