General Cuprotungstite Information![]() Cu++3(WO4)2(OH)2 |
![]() Molecular Weight = 720.35 gm |
|
Copper 26.46 % Cu 33.13 % CuO |
|
Hydrogen 0.28 % H 2.50 % H2O |
|
Tungsten 51.04 % W 64.37 % WO3 |
|
Oxygen 22.21 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
![]() Cu3(WO4)2(OH)2 |
![]() Common mineral in the oxidized zone of scheelite deposits containing primary copper sulfides. |
![]() Valid Species (Pre-IMA) 1869 |
![]() La Paz, Baja California Sur, Mexico. Link to MinDat.org Location Data. |
![]() Named for its composition. |
| | Cuprotungstite Image
|
![]()
|
|
![]()
|
Cuprotungstite Crystallography![]() a:c = 1:1.6215 |
![]() a = 8.93, c = 14.48, Z = 7; V = 1,154.71 Den(Calc)= 7.25 |
![]() TetragonalSpace Group: Unk |
![]() By Intensity(I/Io): 3.07(1), 1.24(0.9), 1.91(0.8), |
| Physical Properties of Cuprotungstite![]() Brown green, Olive green, Yellowish green. |
![]() 7.06 |
![]() Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
![]() Crystalline - Fine - Occurs as well-formed fine sized crystals. |
![]() Massive - Fibrous - Distinctly fibrous fine-grained forms. |
![]() 4-5 - Fluorite-Apatite |
![]() Non-fluorescent. |
![]() Vitreous - Waxy |
![]() Nonmagnetic |
![]() green |
| Optical Properties of Cuprotungstite![]() none. |
![]() none. |
![]() CI meas= 0.077 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.101 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1572,KPDmeas= 0.1615,KC= 0.1749 Ncalc = 2.23 - 2.27 ![]() Uniaxial (-), e=2.1, w=2.18, bire=0.0800. |
| Calculated Properties of Cuprotungstite![]() Bulk Density (Electron Density)=6.21 gm/cc |
note: Specific Gravity of Cuprotungstite =7.06 gm/cc. ![]() Fermion Index = 0.07 |
Boson Index = 0.93 ![]() PECuprotungstite = 638.45 barns/electron |
U=PECuprotungstite x rElectron Density=3,967.13 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Cuprotungstite is Not Radioactive | Cuprotungstite Classification![]() 48.03.02.01 (48)Anhydrous Molybdates and Tungstates |
|
(48.03)(Basic Anhydrous) |
|
(48.03.02)Dana Group |
|
![]() 07.GB.15 07 - SULFATES (SELENATES, TELLURATES) |
|
07.G - Molybdates, Wolframates and Niobates |
|
07.GB -With additional anions and/or H2O |
|
| Other Cuprotungstite Information![]() NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Ford32) |
![]() Links to other databases for Cuprotungstite : |
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 Cuprotungstite using: Visit our Advertisers for Cuprotungstite : A Bijoux Google Search for CuprotungstiteAdam's Minerals Google Search for Cuprotungstite Cape Minerals Google Search for Cuprotungstite Dakota Matrix Minerals Google Search for Cuprotungstite Excalibur Mineral Corp. Google Search for Cuprotungstite Exceptional Minerals Google Search for Cuprotungstite John Betts Fine Minerals Search for Cuprotungstite McDougall Minerals Google Search for Cuprotungstite Mineral News Website Link Rock and Mineral Shows Google Search for Cuprotungstite Weinrich Minerals, Inc. Google Search for Cuprotungstite Ask about Cuprotungstite here : Print or Cut-and-Paste your Cuprotungstite Specimen Label here :
| |
|
| |