[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery] John Betts - Fine Minerals Classic minerals, out-of-print books & magazines, plus informative articles for collectors General Pekoite InformationPbCuBi11(S,Se)18 |
Molecular Weight = 3,240.51 gm |
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Copper 1.96 % Cu |
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Bismuth 70.94 % Bi |
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Lead 6.39 % Pb |
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Selenium 4.87 % Se |
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Sulfur 15.83 % S |
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100.00 % |
PbCuBi11S16Se2 |
In magnetite pipes that cut felsic sediments and pyroclastics. |
Approved IMA 1976 |
Peko mine, Tennant Creek, Australia. Link to MinDat.org Location Data. |
Named for its locality. |
Pekoite |
ICSD 60151 |
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PDF 30-488 |
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Pekoite Crystallographya:b:c =0.3399:1:0.119 |
a = 11.472, b = 33.744, c = 4.016, Z = 2; V = 1,554.64 Den(Calc)= 6.92 |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P 21am |
By Intensity(I/Io): 3.14(1), 3.025(0.4), 3.622(0.3), |
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Mouse
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| Physical Properties of Pekoite{010} Good |
Lead gray. |
Opaque |
2-3 - Gypsum-Calcite |
Metallic |
lead gray |
| Optical Properties of PekoiteNCalc= 1.94 - from Gladstone-Dale relationship (KC = 0.1353) where Ncalc=Dcalc*KC+1 |
White to cream. |
| Calculated Properties of PekoiteBulk Density (Electron Density)=5.76 gm/cc |
note: Specific Gravity of Pekoite =6.92 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEPekoite =1,496.26 barns/electron |
U=PEPekoite x rElectron Density=8,614.28 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Pekoite is Not Radioactive | Pekoite Classification03.04.05.06 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.05)Aikinite Group (Orthorhombic containing Pb, Cu, Bi, & S) |
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02.HB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HB -With Cu, Ag, Hg, Fe, Sn and Pb |
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| Other Pekoite InformationNAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Pekoite : |
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 15 - WWW-MINCRYST Search for Pekoite using: Visit our Advertisers for Pekoite : 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 Pekoite Mineral Data : Ask about Pekoite here : Print or Cut-and-Paste your Pekoite Specimen Label here :
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