Mineralogy Database

Claringbullite Mineral Data

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General Claringbullite Information

Help on Chemical  Formula: Chemical Formula: Cu++4(OH)7Cl
Help on Composition: Composition: Molecular Weight = 408.69 gm
   Copper    62.20 %  Cu   77.85 % CuO
   Hydrogen   1.73 %  H    15.43 % H2O
   Chlorine   8.67 %  Cl    8.67 % Cl
               -   %   Cl   -1.96 % -O=Cl2   
   Oxygen    27.40 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu4(OH)7Cl
Help on Environment: Environment: Oxidized copper ore or slag, produced under chlorine-rich conditions.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Nchanga mine, Chingola, Zambia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gordon Frank Claringbull (1911-1990), formerly Keeper of Mineralogy and Director of the British Museum (Natural History), London, England.
Help on Name Pronunciation: Name Pronunciation: Claringbullite + Pronunciation Say CLARINGBULLITE
Help on Synonym: Synonym: ICSD 81606
  PDF 29-539

Claringbullite Image

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Comments: Velvety micro botryoids of claringbullite lining vug in slag.
Location: Val Varenna, Pegli, Genova, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Claringbullite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.37638
Help on Cell Dimensions: Cell Dimensions: a = 6.6733, c = 9.185, Z = 2; V = 354.23 Den(Calc)= 3.83
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-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): 2.7(1), 5.75(1), 2.445(0.9),

Physical Properties of Claringbullite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Blue, Light blue.
Help on Density: Density: 3.9
Help on Streak: Streak: light blue

Optical Properties of Claringbullite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.039 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2039,KPDmeas= 0.2003,KC= 0.2122
Ncalc = 1.81 - 1.83
Help on Optical Data: Optical Data: Uniaxial (-), e=1.78, w=1.782, bire=0.0020.

Calculated Properties of Claringbullite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.67 gm/cc
note: Specific Gravity of Claringbullite =3.83 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001341275
Boson Index = 0.9998658725
Help on Photoelectric: Photoelectric: PEClaringbullite = 27.92 barns/electron
U=PEClaringbullite x rElectron Density= 102.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Claringbullite is Not Radioactive

Claringbullite Classification

Help on  Dana Class: Dana Class: (10)Oxyhalides and Hydroxyhalides
  (10.05)where Am (O,OH)p Xq
  (10.05.06)Dana Group Claringbullite Cu4(OH)7Cl P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 03.DA.15 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
03.DA.15 Claringbullite Cu4(OH)7Cl P 63/mmc 6/m 2/m 2/m

Other Claringbullite Information

Help on References: References: NAME( AntBidBlaNic3) 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 Claringbullite :
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

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Dana No: Strunz No: 03.DA.15





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