General Carrollite Information![]() Cu(Co,Ni)2S4 |
![]() Molecular Weight = 309.55 gm |
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Cobalt 28.56 % Co |
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Copper 20.53 % Cu |
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Nickel 9.48 % Ni |
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Sulfur 41.43 % S |
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100.00 % |
![]() CuCo1.5Ni0.5S4 |
![]() In hydrothermal vein deposits. |
![]() Valid Species (Pre-IMA) 1852 |
![]() In the USA, in the Patapsco mine, Finksburg, and the Mineral Hill mine, Sykesville, Carroll Co., Maryland. Link to MinDat.org Location Data. |
![]() For its occurrence in Carroll Co., Maryland, USA. |
![]() Carrollite + Pronunciation |
![]() ![]() ICSD 31107 |
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PDF 42-1450 |
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Carrollite Crystallography![]() a = 9.477, Z = 8; V = 851.16 Den(Calc)= 4.83 |
![]() Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m |
![]() By Intensity(I/Io): 2.86(1), 1.674(0.8), 1.825(0.6), |
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| Physical Properties of Carrollite![]() {001} Indistinct |
![]() Gray, Gray, Copper red, Light gray, Steel. |
![]() 4.5 - 4.8, Average = 4.65 |
![]() Opaque |
![]() Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
![]() 4.5-5.5 - Near Apatite |
![]() Metallic |
| Optical Properties of Carrollite![]()
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| Calculated Properties of Carrollite![]() Bulk Density (Electron Density)=4.60 gm/cc |
note: Specific Gravity of Carrollite =4.83 gm/cc. ![]() Fermion Index = 0.0041788352 |
Boson Index = 0.9958211648 ![]() PECarrollite = 24.99 barns/electron |
U=PECarrollite x rElectron Density= 115.04 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Carrollite is Not Radioactive | Carrollite Classification![]() 02.10.01.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.10)where Am Bn Xp, with (m+n):p=3:4 |
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(02.10.01)Linnaeite Group (Isometric: Fd3m) |
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![]() 02.DA.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.DA -M:S = 3:4 |
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| Other Carrollite Information![]() NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AmMin) |
![]() Links to other databases for Carrollite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Franklin Minerals(Dunn) 4 - GeoScienceWorld 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - HyperPhysics 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - Scandinavian mineral gallery 16 - WWW-MINCRYST Search for Carrollite using: Visit our Advertisers for Carrollite : A Bijoux Google Search for CarrolliteAdam's Minerals Google Search for Carrollite Cape Minerals Google Search for Carrollite Dakota Matrix Minerals Google Search for Carrollite Excalibur Mineral Corp. Google Search for Carrollite Exceptional Minerals Google Search for Carrollite John Betts Fine Minerals Search for Carrollite McDougall Minerals Google Search for Carrollite Mineral News Website Link Rock and Mineral Shows Google Search for Carrollite Weinrich Minerals, Inc. Google Search for Carrollite Ask about Carrollite here : Print or Cut-and-Paste your Carrollite Specimen Label here :
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