[How the Club Works] [Memberships - Junior, Deluxe , and Platinum] [FAQ] [Past Minerals] Join the Club - Junior, Deluxe and Platinum Memberships Available High Quality Minerals Sent to Your Home or School Each Month Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals General Petrovskaite InformationAuAg(S,Se) |
Molecular Weight = 339.25 gm |
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Silver 31.80 % Ag |
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Gold 58.06 % Au |
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Selenium 1.16 % Se |
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Sulfur 8.98 % S |
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100.00 % |
AuAgSe0.05S0.95 |
Microscopic rims on gold particles. |
Approved IMA 1984 |
Maikain gold deposit, Kazakhstan. Link to MinDat.org Location Data. |
Named for Nina Petrovskaya (1910-), Russian mineralogist. |
Petrovskaite + Pronunciation |
| | Search for Petrovskaite Images
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| | Petrovskaite Crystallographya:b:c =0.741:1:1.0826 |
a = 4.943, b = 6.67, c = 7.221, Z = 4; beta = 95.68° V = 236.91 Den(Calc)= 9.51 |
MonoclinicSpace Group: P 2/m,P 2,Pm |
By Intensity(I/Io): 2.77(1), 2.63(0.5), 2.39(0.4), |
| Physical Properties of PetrovskaiteLead gray, Dark grayish black, Black. |
9.5 |
Opaque |
Microscopic Crystals - Crystals visible only with microscopes. |
2-2.5 - Gypsum-Finger Nail |
Metallic - Dull |
dark gray |
| Optical Properties of PetrovskaiteNCalc= 2.42 - from Gladstone-Dale relationship (KC = 0.1492) where Ncalc=Dcalc*KC+1 |
NCalc= 2.42 - from Gladstone-Dale relationship (KC = 0.1492) where Ncalc=Dmeas*KC+1 | Calculated Properties of PetrovskaiteBulk Density (Electron Density)=8.01 gm/cc |
note: Specific Gravity of Petrovskaite =9.51 gm/cc. Fermion Index = 0.0015579229 |
Boson Index = 0.9984420771 PEPetrovskaite =1,025.10 barns/electron |
U=PEPetrovskaite x rElectron Density=8,212.89 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Petrovskaite is Not Radioactive | Petrovskaite Classification02.04.17.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.04)where Am Bn Xp, with (m+n):p=2:1 |
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(02.04.17)Dana Group |
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02.BA.40c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BA -With Cu, Ag, Au |
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| Other Petrovskaite InformationNAME( Dana8) PHYS. PROP.(Dana8) |
Links to other databases for Petrovskaite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Petrovskaite using: Visit our Advertisers for Petrovskaite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Petrovskaite Mineral Data : Ask about Petrovskaite here : Print or Cut-and-Paste your Petrovskaite Specimen Label here :
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