[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery] Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996 General Melanothallite InformationCu2OCl2 |
Molecular Weight = 214.00 gm |
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Copper 59.39 % Cu 74.34 % CuO |
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Chlorine 33.13 % Cl 33.13 % Cl |
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- %
Cl -7.48 % -O=Cl2 |
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Oxygen 7.48 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Cu2OCl2 |
Sublimed on crater walls formed in 1868 and 1906. |
Valid Species (Pre-IMA) 1870 |
Vesuvius, Campania, Italy. Link to MinDat.org Location Data. |
Named from the Greek for black and a young shoot, for the mineral’s property of turning green on exposure. |
Melanothallite + Pronunciation |
ICSD 1055 |
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PDF 35-679 |
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Melanothallite Crystallographya:b:c =0.9898:1:0.7697 |
a = 9.595, b = 9.693, c = 7.461, Z = 8; V = 693.91 Den(Calc)= 4.10 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: F ddd |
By Intensity(I/Io): 5.041(1), 2.518(0.77), 2.947(0.44), |
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Mouse
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| Physical Properties of Melanothallite{???} Perfect |
Bluish black, Greenish black, Black. |
4.08 |
Vitreous (Glassy) |
| Calculated Properties of MelanothalliteBulk Density (Electron Density)=3.83 gm/cc |
note: Specific Gravity of Melanothallite =4.10 gm/cc. Fermion Index = 0.000035887 |
Boson Index = 0.999964113 PEMelanothallite = 28.99 barns/electron |
U=PEMelanothallite x rElectron Density= 111.09 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Melanothallite is Not Radioactive | Melanothallite Classification10.04.04.01 (10)Oxyhalides and Hydroxyhalides |
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(10.04)where (A)2 (O,OH) Xq |
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(10.04.04)Dana Group |
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03.DA.05 03 - HALIDES |
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03.D - Oxyhalides, Hydroxyhalides and Related Double Halides |
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03.DA -With Cu, etc., without Pb |
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| Other Melanothallite InformationNAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Melanothallite : |
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 Search for Melanothallite using: Visit our Advertisers for Melanothallite : 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 Melanothallite Mineral Data : Ask about Melanothallite here : Print or Cut-and-Paste your Melanothallite Specimen Label here :
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