Belloite Mineral Data

Belloite Mineral Data
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General Belloite Information

Help on Chemical Formula: Chemical Formula: Cu(OH)Cl
Help on Composition: Composition: Molecular Weight = 116.01 gm
   Copper    54.78 %  Cu   68.57 % CuO
   Hydrogen   0.87 %  H     7.76 % H2O
   Chlorine  30.56 %  Cl   30.56 % Cl
               -   %   Cl   -6.90 % -O=Cl2   
   Oxygen    13.79 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(OH)Cl
Help on Environment: Environment: Secondary mineral in an abandoned mine associated with nitratine, paracamite. Unstable in humid environments. Converts in water to botallackite and atacamite.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Sierra Gorda, Antofagasta, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Andres Bello (1780-1865), founder and first rector of the Universidad de Chile.
Help on Synonym: Synonym: IMA1998-054
 

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Belloite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8326:1:0.9184
Help on Cell Dimensions: Cell Dimensions: a = 5.552, b = 6.668, c = 6.124, Z = 4; beta = 115° V = 205.47 Den(Calc)= 3.75
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.553(1)(001), 2.758(0.52)(112,121), 2.785(0.52)(120,002,201), 2.241(0.27)(122), 1.851(0.21)(213,003), 2.516(0.18)(200), 1.769(0.16)(311,122
Click Here for Large Belloite Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.282-287, Second edition. Interscience Publishers, New York, New York

 

Physical Properties of Belloite

Help on Color: Color: Yellowish green, Olive green.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellowish green
 

Optical Properties of Belloite

Help on Optical Data: Optical Data: Biaxial (?), b=1.8
 

Calculated Properties of Belloite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.56 gm/cc
note: Specific Gravity of Belloite =3.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000675043
Boson Index = 0.9999324957
Help on Photoelectric: Photoelectric: PEBelloite = 26.39 barns/electron
U=PEBelloite x rElectron Density= 93.83 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Belloite is Not Radioactive
 

Belloite Classification
Help on Dana Class: Dana Class: 10.02.03.02 (10)Oxyhalides and Hydroxyhalides
  (10.02)where A (O,OH) Xq
  (10.02.03)Dana Group
 
10.02.03.01 Paralaurionite PbCl(OH) C 2/m 2/m
 
10.02.03.02 Belloite! Cu(OH)Cl P 21/a 2/m
Help on Strunz Class: Strunz Class: 03.DA.10b 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
 
03.DA.10b Botallackite Cu2Cl(OH)3 P 21/m 2/m
 
03.DA.10b Clinoatacamite! Cu2(OH)3Cl P 21/n 2/m
 
03.DA.10b Belloite! Cu(OH)Cl P 21/a 2/m
 

Other Belloite Information
Help on References: References: NAME( AmMin, Vol 85) PHYS. PROP.(AmMin, Vol 85) OPTIC PROP.(AmMin, Vol 85)
Help on See Also: See Also: Links to other databases for Belloite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Print or Cut-and-Paste your Belloite Specimen Label here :

Belloite

Cu(OH)Cl
Dana No: 10.02.03.02 Strunz No: 03.DA.10b
Locality:

 

Notes: