Claringbullite Mineral Data
General Claringbullite Information
Chemical Formula:
Cu++4(OH)7Cl
Composition:
Molecular Weight = 408.69 gm
Copper 62.20 % Cu 77.85 % CuO
Hydrogen 1.73 % H 15.43 % H2 O
Chlorine 8.67 % Cl 8.67 % Cl
- %
Cl -1.96 % -O=Cl2
Oxygen 27.40 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Cu4 (OH)7 Cl
Environment:
Oxidized copper ore or slag, produced under chlorine-rich conditions.
IMA Status:
Approved IMA 1977
Locality:
Nchanga mine, Chingola, Zambia. Link to MinDat.org Location Data.
Name Origin:
Named for Gordon Frank Claringbull (1911-1990), formerly Keeper of Mineralogy and Director of the British Museum (Natural History), London, England.
Name Pronunciation:
Claringbullite + Pronunciation
Synonym:
ICSD 81606
PDF 29-539
Claringbullite Image
Images:
Claringbullite Crystallography
Axial Ratios:
a:c = 1:1.37638
Cell Dimensions:
a = 6.6733, c = 9.185, Z = 2; V = 354.23 Den(Calc)= 3.83
Crystal System:
Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63 /mmc
X Ray Diffraction:
By Intensity(I/Io ): 2.7(1), 5.75(1), 2.445(0.9),
Physical Properties of Claringbullite
Cleavage:
{???} Perfect
Color:
Blue, Light blue.
Density:
3.9
Streak:
light blue
Optical Properties of Claringbullite
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
Optical Data:
Uniaxial (-), e=1.78, w=1.782, bire=0.0020.
Calculated Properties of Claringbullite
Electron Density:
Bulk Density (Electron Density)=3.67 gm/cc note: Specific Gravity of Claringbullite =3.83 gm/cc.
Fermion Index:
Fermion Index = 0.0001341275 Boson Index = 0.9998658725
Photoelectric:
PEClaringbullite = 27.92 barns/electronU=PEClaringbullite x r Electron Density= 102.58 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Claringbullite is Not Radioactive
Claringbullite Classification
Dana Class:
10.05.06.01 (10) Oxyhalides and Hydroxyhalides
(10.05) where Am (O,OH)p Xq
(10.05.06) Dana Group
10.05.06.01 Claringbullite Cu4(OH)7Cl P 63 /mmc 6/m 2/m 2/m
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
References:
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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
15 - WWW-MINCRYST
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Claringbullite
Cu++4(OH)7Cl
Dana No: 10.05.06.01 Strunz No: 03.DA.15
Locality:
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