General Criddleite Information![]() TlAg2Au3Sb10S10 |
![]() Molecular Weight = 2,549.18 gm |
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Thallium 8.02 % Tl |
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Silver 8.46 % Ag |
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Antimony 47.76 % Sb |
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Gold 23.18 % Au |
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Sulfur 12.58 % S |
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______ |
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100.00 % |
![]() TlAg2Au3Sb10S10 |
![]() Primary hydrothermal mineral in a complex gold deposit. |
![]() Approved IMA 1988 |
![]() Hemlo gold deposit, near Marathon, Ontario, Canada. Link to MinDat.org Location Data. |
![]() Named for Alan J. Criddle (1944-2002), English mineralogist. |
![]() IMA1987-037 |
| | Criddleite Image
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Criddleite Crystallography![]() a:b:c =2.4773:1:0.9692 |
![]() a = 19.96, b = 8.057, c = 7.809, Z = 2; beta = 92.08° V = 1,255.00 Den(Calc)= 6.75 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/m ? |
![]() By Intensity(I/Io): 2.813(1), 5.63(0.9), 2.86(0.7), |
| Physical Properties of Criddleite![]() Black. |
![]() Opaque |
![]() Anhedral Grains - Granular minerals without the expression of crystal shapes |
![]() Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape. |
![]() Microscopic Crystals - Crystals visible only with microscopes. |
![]() 3-3.5 - Calcite-Copper Penny |
![]() Metallic |
![]() black |
| Optical Properties of Criddleite![]() NCalc= 1.42 - from Gladstone-Dale relationship (KC = 0.0615) where Ncalc=Dcalc*KC+1 |
![]() Distinct to moderate, from buff to slate gray. |
![]() Gray-blue. |
![]() Weak, from gray-blue to slightly greenish gray-blue. |
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| Calculated Properties of Criddleite![]() Bulk Density (Electron Density)=5.73 gm/cc |
note: Specific Gravity of Criddleite =6.75 gm/cc. ![]() Fermion Index = 0.0009434213 |
Boson Index = 0.9990565787 ![]() PECriddleite = 699.30 barns/electron |
U=PECriddleite x rElectron Density=4,007.03 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Criddleite is Not Radioactive | Criddleite Classification![]() 03.09.01.01 (03)Sulfides - Sulfosalts |
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(03.09)where z/y = 1 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.09.01)Dana Group |
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![]() 02.LA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.L - Unclassified Sulfosalts |
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02.LA -Without essential Pb |
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| Other Criddleite Information![]() NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p706-713,1990) OPTIC PROP.(AntBidBlaNic1) |
![]() Links to other databases for Criddleite : |
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 Criddleite using: Visit our Advertisers for Criddleite : A Bijoux Google Search for CriddleiteAdam's Minerals Google Search for Criddleite Cape Minerals Google Search for Criddleite Dakota Matrix Minerals Google Search for Criddleite Excalibur Mineral Corp. Google Search for Criddleite Exceptional Minerals Google Search for Criddleite John Betts Fine Minerals Search for Criddleite McDougall Minerals Google Search for Criddleite Mineral News Website Link Rock and Mineral Shows Google Search for Criddleite Weinrich Minerals, Inc. Google Search for Criddleite Ask about Criddleite here : Print or Cut-and-Paste your Criddleite Specimen Label here :
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