[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community. Articles are solicited from collector and scientific authors. General Izoklakeite InformationPb27(Cu,Fe)2(Sb,Bi)19S57 |
Molecular Weight = 10557.27 gm |
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Iron 0.21 % Fe |
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Copper 0.96 % Cu |
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Bismuth 15.84 % Bi |
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Antimony 12.69 % Sb |
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Lead 52.99 % Pb |
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Sulfur 17.31 % S |
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100.00 % |
Pb27Cu1.6Fe2+0.4Sb11Bi8S57 |
In a massive Zn-Cu-Pb sulfide deposit. |
Approved IMA 1986 |
From Izok Lake, Northwest Territories, Canada. Link to MinDat.org Location Data. |
Named for the locality. |
Izoklakeite + Pronunciation |
ICSD 202309 |
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IMA1983-065 |
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PDF 41-592 |
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Izoklakeite Crystallographya:b:c =0.897:1:0.1072 |
a = 34.07, b = 37.98, c = 4.072, Z = 2; V = 5,269.08 Den(Calc)= 6.65 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm |
By Intensity(I/Io): 3.427(1), 3.042(0.8), 3.312(0.8), |
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Mouse
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| Physical Properties of Izoklakeite{001} Good |
Lead gray. |
6.47 |
Opaque |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Acicular - Occurs as needle-like crystals. |
Aggregates - Made of numerous individual crystals or clusters. |
3.5-4 - Copper Penny-Fluorite |
Metallic |
grayish black |
| Optical Properties of IzoklakeiteDistinct, from greenish gray to dark gray to brownish gray. |
Pale greenish white to darker greenish white or gray. |
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| Calculated Properties of IzoklakeiteBulk Density (Electron Density)=5.55 gm/cc |
note: Specific Gravity of Izoklakeite =6.65 gm/cc. Fermion Index = 0.11 |
Boson Index = 0.89 PEIzoklakeite =1,325.67 barns/electron |
U=PEIzoklakeite x rElectron Density=7,361.37 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Izoklakeite is Not Radioactive | Izoklakeite Classification03.05.12.01 (03)Sulfides - Sulfosalts |
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(03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.05.12)Dana Group |
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02.HB.10b 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 Izoklakeite InformationNAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Izoklakeite : |
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 Izoklakeite using: Visit our Advertisers for Izoklakeite : 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 Izoklakeite Mineral Data : Ask about Izoklakeite here : Print or Cut-and-Paste your Izoklakeite Specimen Label here :
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