Buttgenbachite Mineral Data

Buttgenbachite Mineral Data
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General Buttgenbachite Information

Help on Chemical Formula: Chemical Formula: Cu19Cl4(NO3)2(OH)32•2(H2O)
Help on Composition: Composition: 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
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu19Cl4(NO3)2(OH)32•2(H2O)
Help on Environment: Environment: In a cavity in cuprite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1925
Help on Locality: Locality: Likasi, Shaba, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Henri J. Buttgenback (1874-1964), Belgian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Buttgenbachite + Pronunciation Say BUTTGENBACHITE
Help on Synonym: Synonym: ICSD 9210
  PDF 8-136
 

Buttgenbachite Image

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Buttgenbachite

Comments: A blue crystal of buttgenbachite.
Location: Likasi Mine, Likasi, Shaba (Katanga), Congo (Zaīre). Scale: Crystal length 3.1 mm.
© Thomas Witzke / Abraxas-Verlag

Buttgenbachite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.57711
Help on Cell Dimensions: Cell Dimensions: a = 15.82, c = 9.13, Z = 2; V = 1,978.86 Den(Calc)= 3.45
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.95(1), 2.3(0.95), 13.7(0.95),
Click Here for Large Buttgenbachite Structure Window Crystal Structure:

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Hibbs D E , Leverett P , Williams P A , Neues Jahrbuch fur Mineralogie, Monatshefte , 2002 (2002) p.225-240, Buttgenbachite from Bisbee, Arizona, USA: A single-crystal X-ray study, Locality: Bisbee, Arizona, USA

View Additional jPOWD Structure files for Buttgenbachite
[1]
 

Physical Properties of Buttgenbachite

Help on Color: Color: Azure, Blue.
Help on Density: Density: 3.42
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue
 

Optical Properties of Buttgenbachite

Help on Dichroism (e): Dichroism (e): blue.
Help on Dichroism (w): Dichroism (w): blue.
Help on Gladstone-Dale: Gladstone-Dale: 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
Help on Optical Data: Optical Data: Uniaxial (+), w=1.738, e=1.752, bire=0.0140.
 

Calculated Properties of Buttgenbachite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.32 gm/cc
note: Specific Gravity of Buttgenbachite =3.45 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEButtgenbachite = 26.23 barns/electron
U=PEButtgenbachite x rElectron Density= 87.16 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Buttgenbachite is Not Radioactive
 

Buttgenbachite Classification
Help on Dana Class: Dana Class: 19.01.02.01 (19)Nitrates - Hydroxyl or Halogen
  (19.01)with miscellaneous formulae
  (19.01.02)Dana Group
 
19.01.02.01 Buttgenbachite Cu19Cl4(NO3)2(OH)32•2(H2O) P 63/mmc 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: 03.DA.25 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
 
03.DA.25 Buttgenbachite Cu19Cl4(NO3)2(OH)32•2(H2O) P 63/mmc 6/m 2/m 2/m
 
03.DA.25 Connellite Cu19Cl4(SO4)(OH)32•3(H2O) P 62c 6 m2
 

Other Buttgenbachite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: 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

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Buttgenbachite

Cu19Cl4(NO3)2(OH)32•2(H2O)
Dana No: 19.01.02.01 Strunz No: 03.DA.25
Locality:

 

Notes: