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Grechishchevite Mineral Data
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General Grechishchevite Information
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 Chemical Formula: |
Hg3S2(Br,Cl,I)2 |
| Composition: |
Molecular Weight = 817.84 gm |
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Mercury 73.58 % Hg 76.51 % Hg2O |
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Sulfur 7.84 % S 7.84 % S2- |
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- % S -3.91 % -O=S |
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Iodine 6.21 % I 6.21 % I |
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- %
I -0.39 % -O=I2 |
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Bromine 9.77 % Br 9.77 % Br |
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- %
Br -0.98 % -O=Br2 |
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Chlorine 2.60 % Cl 2.60 % Cl |
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- %
Cl -0.59 % -O=Cl2 |
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______ ______ |
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100.00 % 97.07 % = TOTAL OXIDE |
| Empirical Formula: |
Hg3S2BrCl0.6I0.4 |
| Environment: |
In the oxidation zone in fractures of a mercury deposit. |
| IMA Status: |
Approved IMA 1990 |
| Locality: |
Arzak and Kadyrel mercury deposits, Tuva, Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Oleg Konstantinovich Grechishchev, Russian engineering geologist, long-time student of mercury ores from Tuva, Siberia. |
| Name Pronunciation: |
Grechishchevite + Pronunciation  |
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