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Buttgenbachite Mineral Data |
General Buttgenbachite Information |
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Cu19Cl4(NO3)2(OH)32•2(H2O) | ||
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Molecular Weight = 2,053.46 gm | ||
Copper 58.80 % Cu 73.60 % CuO | |||
Hydrogen 1.77 % H 15.79 % H2O | |||
Nitrogen 1.36 % N 5.26 % N2O5 | |||
Chlorine 6.91 % Cl 6.91 % Cl | |||
- % Cl -1.56 % -O=Cl2 | |||
Oxygen 31.17 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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Cu19Cl4(NO3)2(OH)32•2(H2O) | ||
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In a cavity in cuprite. | ||
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Valid Species (Pre-IMA) 1925 | ||
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Likasi, Shaba, Zaire. Link to MinDat.org Location Data. | ||
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Named for Henri J. Buttgenback (1874-1964), Belgian mineralogist. | ||
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Buttgenbachite + Pronunciation ![]() |
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ICSD 9210 | ||
PDF 8-136 | |||
Buttgenbachite Image | |||
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Buttgenbachite Crystallography |
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a:c = 1:0.57711 | ||
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a = 15.82, c = 9.13, Z = 2; V = 1,978.86 Den(Calc)= 3.45 | ||
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Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc | ||
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By Intensity(I/Io): 7.95(1), 2.3(0.95), 13.7(0.95), | ||
Physical Properties of Buttgenbachite |
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Azure, Blue. | ||
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3.42 | ||
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Translucent | ||
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Acicular - Occurs as needle-like crystals. | ||
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3 - Calcite | ||
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Vitreous (Glassy) | ||
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light blue | ||
Optical Properties of Buttgenbachite |
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blue. | ||
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blue. | ||
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CI meas= -0.021 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2159,KPDmeas= 0.2178,KC= 0.2134 Ncalc = 1.73 - 1.74 |
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Uniaxial (+), w=1.738, e=1.752, bire=0.0140. | ||
Calculated Properties of Buttgenbachite |
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Bulk Density (Electron Density)=3.32 gm/cc note: Specific Gravity of Buttgenbachite =3.45 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEButtgenbachite = 26.23 barns/electron U=PEButtgenbachite x rElectron Density= 87.16 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Buttgenbachite is Not Radioactive |
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Buttgenbachite Classification |
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19.01.02.01 (19)Nitrates - Hydroxyl or Halogen | ||
(19.01)with miscellaneous formulae | |||
(19.01.02)Dana Group | |||
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03.DA.25 03 - HALIDES | ||
03.D - Oxyhalides, Hydroxyhalides and Related Double Halides | |||
03.DA -With Cu, etc., without Pb | |||
Other Buttgenbachite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Buttgenbachite : 1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - GeoScienceWorld 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - Mineralienatlas (Deutsch) 13 - Online Mineral Museum 14 - QUT Mineral Atlas 15 - Ruff.Info 16 - WWW-MINCRYST Search for Buttgenbachite using: Visit our Advertisers for Buttgenbachite : Ask about Buttgenbachite here : Print or Cut-and-Paste your Buttgenbachite Specimen Label here :
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