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Mitscherlichite Mineral Data

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General Mitscherlichite Information

Help on Chemical  Formula: Chemical Formula: K2CuCl4•2(H2O)
Help on Composition: Composition: Molecular Weight = 319.58 gm
   Potassium  24.47 %  K    29.47 % K2O
   Copper     19.88 %  Cu   24.89 % CuO
   Hydrogen    1.26 %  H    11.27 % H2O
   Chlorine   44.37 %  Cl   44.37 % Cl
                -   %   Cl  -10.01 % -O=Cl2   
   Oxygen     10.01 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K2CuCl4•2(H2O)
Help on Environment: Environment: Saline sublimations.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1925
Help on Locality: Locality: Crater of Vesuvius, Campania, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Eilhardt Mitscherlich (1794-1863), German crystallographer and chemist, who first synthesized the compound.
Help on Name Pronunciation: Name Pronunciation: Mitscherlichite + Pronunciation Say MITSCHERLICHITE
Help on Synonym: Synonym: ICSD 16052
  PDF 23-478

Mitscherlichite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.05771
Help on Cell Dimensions: Cell Dimensions: a = 7.45, c = 7.88, Z = 2; V = 437.36 Den(Calc)= 2.43
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.64(1), 2.71(0.95), 5.42(0.7),

Physical Properties of Mitscherlichite

Help on Color: Color: Green, Green blue.
Help on Density: Density: 2.418
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Mitscherlichite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.615, w=1.637, bire=0.0220.

Calculated Properties of Mitscherlichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.36 gm/cc
note: Specific Gravity of Mitscherlichite =2.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000793149
Boson Index = 0.9999206851
Help on Photoelectric: Photoelectric: PEMitscherlichite = 14.06 barns/electron
U=PEMitscherlichite x relectron= 33.14 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 342.46 (Gamma Ray American Petroleum Institute Units)
Concentration of Mitscherlichite per GRapi unit = 0.29 (%)

Estimated Radioactivity from Mitscherlichite - barely detectable


Mitscherlichite Classification

Help on  Dana Class: Dana Class: (11)Halide Complexes; Alumino-fluorides
  (11.03)where (A)m B (X)4 � x(H2O)
  (11.03.02)Dana Group Mitscherlichite K2CuCl4•2(H2O) P 41/mnm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 03.CJ.15 03 - HALIDES
  03.C - Complex Halides
  03.CJ -With MX6 complexes; M = Fe, Mn, Cu
03.CJ.15 Mitscherlichite K2CuCl4•2(H2O) P 41/mnm 4/m 2/m 2/m

Other Mitscherlichite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Mitscherlichite :
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.CJ.15