General Cryptophyllite Information Chemical Formula: |
K2Ca[Si4O10]•5H2O |
Composition: |
Molecular Weight = 480.69 gm |
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Potassium 16.27 % K 19.60 % K2O |
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Calcium 8.34 % Ca 11.67 % CaO |
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Silicon 23.37 % Si 50.00 % SiO2 |
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Hydrogen 2.10 % H 18.74 % H2O |
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Oxygen 49.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K2CaSi4O10•5(H2O) |
Environment: |
New structure type |
IMA Status: |
Proposed IMA 2009 |
Locality: |
Tsentral’nyi mine, Khibiny alkaline complex, Kola Peninsula, Russia Link to MinDat.org Location Data. |
Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
Synonym: |
IMA2008-061 |
| | Search for Cryptophyllite Images
Images:
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| | Cryptophyllite Crystallography Axial Ratios: |
a:b:c =0.9287:1:4.5891 |
Cell Dimensions: |
a = 6.4934, b = 6.9919, c = 32.087, beta = 94.68° V = 1,451.93 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n |
X Ray Diffraction: |
By Intensity(I/Io): 16.01(1), 2.903(0.84), 6.24(0.48),2.995(0.47), 3.197(0.27), 7.98(0.24), 2.623(0.23), 3.228(0.22), |
| Optical Properties of Cryptophyllite Optical Data: |
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| Calculated Properties of Cryptophyllite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PECryptophyllite = 3.54 barns/electron |
U=PECryptophyllite x relectron= . barns/cc. Radioactivity: |
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GRapi = 238.29 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Cryptophyllite - barely detectable | Cryptophyllite Classification Dana Class: |
78.00.00.00 (78)Unclassified Silicate Minerals |
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(78.00)Without Dana Classification Numbers |
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(78.00.00)Silicate, Unclassified |
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Strunz Class: |
09.HX.00 09 - SILICATES (Germanates) |
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09.H - Unclassified Strunz Silicates |
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09.HX -Silicate, Unclassified |
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| Other Cryptophyllite Information See Also: |
Links to other databases for Cryptophyllite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Cryptophyllite using: Visit our Advertisers for Cryptophyllite : A Bijoux Google Search for CryptophylliteAdam's Minerals Google Search for Cryptophyllite Cape Minerals Google Search for Cryptophyllite Dakota Matrix Minerals Google Search for Cryptophyllite Excalibur Mineral Corp. Google Search for Cryptophyllite Exceptional Minerals Google Search for Cryptophyllite John Betts Fine Minerals Search for Cryptophyllite McDougall Minerals Google Search for Cryptophyllite Mineral News Website Link Rock and Mineral Shows Google Search for Cryptophyllite Weinrich Minerals, Inc. Google Search for Cryptophyllite Ask about Cryptophyllite here : Print or Cut-and-Paste your Cryptophyllite Specimen Label here :
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