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Kuzminite Mineral Data
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General Kuzminite Information
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 Chemical Formula: |
Hg2(Br,Cl)2 |
| Composition: |
Molecular Weight = 538.76 gm |
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Mercury 74.46 % Hg 77.43 % Hg2O |
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Bromine 22.25 % Br 22.25 % Br |
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- %
Br -2.23 % -O=Br2 |
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Chlorine 3.29 % Cl 3.29 % Cl |
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- %
Cl -0.74 % -O=Cl2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Hg2Br1.5Cl0.5 |
| Environment: |
Vugs in mercury sulfides, in calcite veins in a mercury ore deposit. Forms a series with calomel. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
Kadyrel mercury deposit, Pii-Khem district, Tuva, Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Aleksei Mikhailovich Kuzmin (1891-1980), Russian mineralogist of the Tomsk Polytechnic Institute, Tomsk, Russia. |
| Name Pronunciation: |
Kuzminite + Pronunciation  |
| Synonym: |
ICSD 23721 |
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PDF 40514 |
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Kuzminite Crystallography
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| Axial Ratios: |
a:c = 1:2.40026 |
| Cell Dimensions: |
a = 4.597, c = 11.034, Z = 2; V = 233.18 Den(Calc)= 7.67 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 4/mmm |
| X Ray Diffraction: |
By Intensity(I/Io): 3.25(1), 4.26(0.55), 2.103(0.5), |
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Physical Properties of Kuzminite
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| Cleavage: |
{???} Good |
| Color: |
Bluish gray, Colorless, White. |
| Density: |
7 - 7.2, Average = 7.1 |
| Diaphaneity: |
Transparent |
| Hardness: |
1.5 - Between Talc and Gypsum |
| Luster: |
Adamantine |
| Streak: |
gray |
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Optical Properties of Kuzminite
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| Optical Data: |
NCalc= 2.31 - from Gladstone-Dale relationship (KC = 0.1702) where Ncalc=Dcalc*KC+1
NCalc= 2.21 - from Gladstone-Dale relationship (KC = 0.1702) where Ncalc=Dmeas*KC+1
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Calculated Properties of Kuzminite
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| Electron Density: |
Bulk Density (Electron Density)=6.29 gm/cc
note: Specific Gravity of Kuzminite =7.67 gm/cc.
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| Fermion Index: |
Fermion Index = 0.22
Boson Index = 0.78 |
| Photoelectric: |
PEKuzminite =1,306.42 barns/electron
U=PEKuzminite x rElectron Density=8,220.62 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kuzminite is Not Radioactive |
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Kuzminite Classification
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| Dana Class: |
09.01.08.02 (09)Anhydrous and Hydrated Halides |
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(09.01)where A X |
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(09.01.08)Calomel Group |
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09.01.08.01 Calomel Hg2Cl2 I 4/mmm 4/m 2/m 2/m |
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09.01.08.02 Kuzminite Hg2(Br,Cl)2 I 4/mmm 4/m 2/m 2/m |
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09.01.08.03 Moschelite Hg2I2 I 4/mmm 4/m 2/m 2/m |
| Strunz Class: |
03.AA.30 03 - HALIDES |
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03.A - Simple Halides, Without H2O |
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03.AA -M:X = 1:1, 2:3, 3:5, etc. |
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03.AA.30 Calomel Hg2Cl2 I 4/mmm 4/m 2/m 2/m |
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03.AA.30 Kuzminite Hg2(Br,Cl)2 I 4/mmm 4/m 2/m 2/m |
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03.AA.30 Moschelite Hg2I2 I 4/mmm 4/m 2/m 2/m |
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Other Kuzminite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.73,p192,1988) |
| See Also: |
Links to other databases for Kuzminite :
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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Kuzminite
Hg2(Br,Cl)2
Dana No: 09.01.08.02 Strunz No: 03.AA.30
Locality:
Notes:
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