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Calumetite Mineral Data

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General Calumetite Information

Help on Chemical  Formula: Chemical Formula: Cu(OH,Cl)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 152.04 gm
   Copper    41.80 %  Cu   52.32 % CuO
   Hydrogen   3.31 %  H    29.62 % H2O
   Chlorine  23.32 %  Cl   23.32 % Cl
               -   %   Cl   -5.26 % -O=Cl2   
   Oxygen    31.57 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(OH)Cl•2(H2O)
Help on Environment: Environment: Secondary mineral.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Centennial mine, Calumet, Houghton County. Michigan, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.

Calumetite Image

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Comments: Light blue botryoidal coatings of calumetite on tarnished copper with green paratacamite.
Location: Centennial Mine, Houghton County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calumetite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.5(1), 2.481(0.8), 3.02(0.6),

Physical Properties of Calumetite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Azure blue, Powder blue, Bluish white.
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Habit: Habit: Wheat Sheaf - Bundle shaped aggregates resembling wheat sheafs after hand reaping wheat.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Pearly
Help on Streak: Streak: blue

Optical Properties of Calumetite

Help on Optical Data: Optical Data: Biaxial (?), a=1.666, b=1.69, g=1.69, bire=0.0240, 2V(Calc)=0, 2V(Meas)=2.

Calculated Properties of Calumetite

Help on Fermion Index: Fermion Index: Fermion Index = 0.000156509
Boson Index = 0.999843491
Help on Photoelectric: Photoelectric: PECalumetite = 19.45 barns/electron
U=PECalumetite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calumetite is Not Radioactive

Calumetite Classification

Help on  Dana Class: Dana Class: (06)Hydroxides and Oxides Containing Hydroxyl
  (06.02)where X++ (OH)2
  (06.02.05)Dana Group Calumetite Cu(OH,Cl)2•2(H2O) Unk Ortho
Help on  Strunz Class: Strunz Class: 03.DA.40 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
03.DA.40 Calumetite Cu(OH,Cl)2•2(H2O) Unk Ortho
03.DA.40 Anthonyite Cu(OH,Cl)2•3(H2O) Unk. Mono

Other Calumetite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Calumetite :
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.40





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