[Mineral Galleries] [About Me] [e-Bay Items] [Latest News] [How to Order] A Diverse Selection of Beautifully Unique Gem & Mineral Specimens Desert Winds Gems & Minerals • For All Levels of Collectors Worldwide Aesthetic & Rare Mineral Specimens • Regular Updates General Platynite Information(Bi,Pb)3(Se,S)4 |
Molecular Weight = 894.11 gm |
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Bismuth 46.75 % Bi |
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Lead 23.17 % Pb |
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Selenium 26.49 % Se |
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Sulfur 3.59 % S |
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______ |
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100.00 % |
Bi2PbSe3S |
Discredited as being a mixture of laitakarite and selenian galena. |
Discredited IMA 1999 - Valid Species (Pre-IMA) 1910 |
Falun, Dalecarlia, Sweden. Link to MinDat.org Location Data. |
Named in 1910 from the Greek "to broaden", in allusion to its platy habit. |
Platynite + Pronunciation |
Discredited |
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IMA1999-A |
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Platynite Crystallographya:c = 1:2.44994 |
a = 8.49, c = 20.8, Z = 8; V = 1,298.40 Den(Calc)= 9.15 |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
By Intensity(I/Io): 3.965(1), 2.971(0.4), 5.45(0.2), |
| Physical Properties of Platynite{001} Good, {010} Good, {100} Good |
Gray, Black, White. |
7.98 |
Opaque |
Platy - Sheet forms (e.g. micas). |
2-3 - Gypsum-Calcite |
Metallic |
shining black |
| Optical Properties of PlatyniteStrong. |
| Calculated Properties of PlatyniteBulk Density (Electron Density)=7.49 gm/cc |
note: Specific Gravity of Platynite =9.15 gm/cc. Fermion Index = 0.07 |
Boson Index = 0.93 PEPlatynite =1,376.33 barns/electron |
U=PEPlatynite x rElectron Density=10310.12 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Platynite is Not Radioactive | Platynite Classification02.08.21.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.21)Dana Group |
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02.DC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DC -Variable M:S |
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| Other Platynite InformationNAME( CanMin, 10/99) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Platynite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Platynite using: Visit our Advertisers for Platynite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals 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 Platynite Mineral Data : Ask about Platynite here : Print or Cut-and-Paste your Platynite Specimen Label here :
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