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Mitscherlichite Mineral Data
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General Mitscherlichite Information
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Chemical Formula: |
K2CuCl4•2(H2O) |
Composition: |
Molecular Weight = 319.58 gm |
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Potassium 24.47 % K 29.47 % K2O |
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Copper 19.88 % Cu 24.89 % CuO |
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Hydrogen 1.26 % H 11.27 % H2O |
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Chlorine 44.37 % Cl 44.37 % Cl |
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- %
Cl -10.01 % -O=Cl2 |
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Oxygen 10.01 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K2CuCl4•2(H2O) |
Environment: |
Saline sublimations. |
IMA Status: |
Valid Species (Pre-IMA) 1925 |
Locality: |
Crater of Vesuvius, Campania, Italy. Link to MinDat.org Location Data. |
Name Origin: |
Named for Eilhardt Mitscherlich (1794-1863), German crystallographer and chemist, who first synthesized the compound. |
Name Pronunciation: |
Mitscherlichite + Pronunciation |
Synonym: |
ICSD 16052 |
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PDF 23-478 |
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Mitscherlichite Crystallography
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Axial Ratios: |
a:c = 1:1.05771 |
Cell Dimensions: |
a = 7.45, c = 7.88, Z = 2; V = 437.36 Den(Calc)= 2.43 |
Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm |
X Ray Diffraction: |
By Intensity(I/Io): 2.64(1), 2.71(0.95), 5.42(0.7), |
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Physical Properties of Mitscherlichite
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Color: |
Green, Green blue. |
Density: |
2.418 |
Diaphaneity: |
Transparent to translucent |
Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. |
Hardness: |
2.5 - Finger Nail |
Luster: |
Vitreous (Glassy) |
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Optical Properties of Mitscherlichite
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Optical Data: |
Uniaxial (-), e=1.615, w=1.637, bire=0.0220. |
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Calculated Properties of Mitscherlichite
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Electron Density: |
Bulk Density (Electron Density)=2.36 gm/cc note: Specific Gravity of Mitscherlichite =2.43 gm/cc. |
Fermion Index: |
Fermion Index = 0.0000793149 Boson Index = 0.9999206851 |
Photoelectric: |
PEMitscherlichite = 14.06 barns/electron U=PEMitscherlichite x relectron= 33.14 barns/cc. |
Radioactivity: |
GRapi = 342.46 (Gamma Ray American Petroleum Institute Units)
Concentration of Mitscherlichite per GRapi unit = 0.29 (%)
Estimated Radioactivity from Mitscherlichite - barely detectable
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Mitscherlichite Classification
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Dana Class: |
11.03.02.01 (11)Halide Complexes; Alumino-fluorides |
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(11.03)where (A)m B (X)4 � x(H2O) |
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(11.03.02)Dana Group |
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11.03.02.01 Mitscherlichite K2CuCl4•2(H2O) P 41/mnm 4/m 2/m 2/m |
Strunz Class: |
03.CJ.15 03 - HALIDES |
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03.C - Complex Halides |
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03.CJ -With MX6 complexes; M = Fe, Mn, Cu |
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03.CJ.15 Mitscherlichite K2CuCl4•2(H2O) P 41/mnm 4/m 2/m 2/m |
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Other Mitscherlichite Information
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References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) |
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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Print or Cut-and-Paste your Mitscherlichite Specimen Label here :
Mitscherlichite
K2CuCl4•2(H2O)
Dana No: 11.03.02.01 Strunz No: 03.CJ.15
Locality:
Notes:
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