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Lavrentievite Mineral Data |
General Lavrentievite Information |
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Hg3S2(Cl,Br)2 | ||
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Molecular Weight = 759.03 gm | ||
Mercury 79.28 % Hg 82.44 % Hg2O | |||
Sulfur 8.45 % S 8.45 % S2- | |||
- % S -4.22 % -O=S | |||
Bromine 5.26 % Br 5.26 % Br | |||
- % Br -0.53 % -O=Br2 | |||
Chlorine 7.01 % Cl 7.01 % Cl | |||
- % Cl -1.58 % -O=Cl2 | |||
______ ______ | |||
100.00 % 96.84 % = TOTAL OXIDE | |||
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Hg3S2Cl1.5Br0.5 | ||
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In the oxidized zone of a hydrothermal deposit. | ||
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Approved IMA 1984 | ||
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Arzak mercury deposits, Tuva, Siberia, Russia. Link to MinDat.org Location Data. | ||
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Named for Michail Alexeevich Lavrentiev (1900-1980), Russian mathematician and academician, founder of the Siberian Academy of Science. | ||
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Lavrentievite + Pronunciation ![]() |
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Lavrentievite Image | |||
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Lavrentievite Crystallography |
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a:b:c =1.7212:1:3.529 | ||
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a = 8.94, b = 5.194, c = 18.33, Z = 5; beta = 92.73° V = 850.18 Den(Calc)= 7.41 | ||
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Monoclinic Space Group: P 2/m,P 2,Pm | ||
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By Intensity(I/Io): 2.61(1), 3.01(0.6), 1.587(0.5),3.38(0.5), 2.2(0.4), 2.29(0.4), 3.96(0.4), 5(0.3), | ||
Physical Properties of Lavrentievite |
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Grayish black, Light yellow. | ||
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Transparent | ||
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Microscopic Crystals - Crystals visible only with microscopes. | ||
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2-2.5 - Gypsum-Finger Nail | ||
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Vitreous - Adamantine | ||
Optical Properties of Lavrentievite |
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Biaxial (?) | ||
NCalc= 2.13 - from Gladstone-Dale relationship (KC = 0.1523) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Lavrentievite |
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Bulk Density (Electron Density)=6.15 gm/cc note: Specific Gravity of Lavrentievite =7.41 gm/cc. |
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Fermion Index = 0.24 Boson Index = 0.76 |
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PELavrentievite =1,358.08 barns/electron U=PELavrentievite x rElectron Density=8,352.65 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lavrentievite is Not Radioactive |
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Lavrentievite Classification |
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10.03.04.01 (10)Oxyhalides and Hydroxyhalides | ||
(10.03)where (A)3 (O,OH)2 Xq | |||
(10.03.04)Dana Group | |||
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02.FC.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O | |||
02.FC -With Cl, Br, I (halide-sulfides) | |||
Other Lavrentievite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
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Links to other databases for Lavrentievite : 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 Search for Lavrentievite using: Visit our Advertisers for Lavrentievite : Ask about Lavrentievite here : Print or Cut-and-Paste your Lavrentievite Specimen Label here :
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