General Cuprite Information![]() Cu2O |
![]() Molecular Weight = 143.09 gm |
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Copper 88.82 % Cu 100.00 % Cu2O |
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Oxygen 11.18 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Cu2O |
![]() Oxidized zone of copper deposits. |
![]() Valid Species (Pre-IMA) 1845 |
![]() Commonly in the copper deposits of SW USA and in Chile. Link to MinDat.org Location Data. |
![]() From the Latin, cuprum, meaning copper. Chalcotrichite from the Greek, meaning "hairy copper." |
![]() Cuprite |
![]() ![]() Chalcotrichite |
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ICSD 63281 |
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PDF 5-667 |
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Red oxide of copper |
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Cuprite Crystallography![]() a = 4.2696, Z = 2; V = 77.83 Den(Calc)= 6.11 |
![]() Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P n3m |
![]() By Intensity(I/Io): 2.465(1), 2.135(0.37), 1.51(0.27), |
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| Physical Properties of Cuprite![]() {111} Imperfect |
![]() Brown red, Purple red, Red, Black. |
![]() 6.1 |
![]() Transparent to translucent |
![]() Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
![]() Capillary - Very slender and long, like a thread or hair (e.g. millerite). |
![]() Massive - Granular - Common texture observed in granite and other igneous rock. |
![]() 3.5-4 - Copper Penny-Fluorite |
![]() Non-fluorescent. |
![]() Adamantine |
![]() Nonmagnetic |
![]() brownish red |
| Optical Properties of Cuprite![]() CI meas= -0.296 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.294 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3028,KPDmeas= 0.3033,KC= 0.234 Ncalc = 2.43 ![]() Isotropic, n=2.85. |
![]() Gray blue with internal red reflections. |
![]() Anomalous. |
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| Calculated Properties of Cuprite![]() Bulk Density (Electron Density)=5.64 gm/cc |
note: Specific Gravity of Cuprite =6.11 gm/cc. ![]() Fermion Index = 0.00005367 |
Boson Index = 0.99994633 ![]() PECuprite = 40.46 barns/electron |
U=PECuprite x rElectron Density= 228.05 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Cuprite is Not Radioactive | Cuprite Classification![]() 04.01.01.01 (04)Simple Oxides |
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(04.01)with a cation charge of 1+ (A+2 O) |
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(04.01.01)Dana Group |
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![]() 04.AA.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.A - Metal:Oxygen = 2.1 and 1:1 |
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04.AA -Cation:Anion (M:O) = 2:1 (and 1.8:1) |
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| Other Cuprite Information![]() NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
![]() Links to other databases for Cuprite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Franklin Minerals(Dunn) 7 - Franklin Minerals(Palache) 8 - GeoScienceWorld 9 - Glendale Community College 10 - Google Images 11 - Google Scholar 12 - Handbook of Mineralogy (MinSocAm) 13 - Handbook of Mineralogy (UofA) 14 - HyperPhysics 15 - MinDAT 16 - Mineralienatlas (Deutsch) 17 - Online Mineral Museum 18 - Philatelic Mineralogy 19 - QUT Mineral Atlas 20 - Ruff.Info 21 - Tradeshop.com - The Rainbow of Gems 22 - University of Colorado - Mineral Structure Data 23 - WWW-MINCRYST 24 - YupRocks 25 - theimage Search for Cuprite using: Visit our Advertisers for Cuprite : A Bijoux Google Search for CupriteAdam's Minerals Google Search for Cuprite Cape Minerals Google Search for Cuprite Dakota Matrix Minerals Google Search for Cuprite Excalibur Mineral Corp. Google Search for Cuprite Exceptional Minerals Google Search for Cuprite John Betts Fine Minerals Search for Cuprite McDougall Minerals Google Search for Cuprite Mineral News Website Link Rock and Mineral Shows Google Search for Cuprite Weinrich Minerals, Inc. Google Search for Cuprite Ask about Cuprite here : Print or Cut-and-Paste your Cuprite Specimen Label here :
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