General Carlfriesite Information Chemical Formula: |
CaTe++++2Te++++++O8 |
Composition: |
Molecular Weight = 550.87 gm |
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Calcium 7.28 % Ca 10.18 % CaO |
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Tellurium 69.49 % Te 86.92 % TeO2 |
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Oxygen 23.23 % O |
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______ ______ |
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100.00 % 97.10 % = TOTAL OXIDE |
Empirical Formula: |
CaTe2TeO8 |
Environment: |
Cavities in an oxidized hydrothermal Au–Te deposit in intensely silicified brecciated rhyolite vitrophyre. |
IMA Status: |
Approved IMA 1975 |
Locality: |
Oriental (Bambollita) mine, northeast of the Moctezuma (Bambolla) mine, 12 km south of Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data. |
Name Origin: |
Named for Carl Fries, Jr. (1910-1965), U.S. Geological Survey and the Geological Institute of the National University, Mexico City, Mexico |
Synonym: |
ICSD 100661 |
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PDF 29-333 |
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Images:
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Carlfriesite Crystallography Axial Ratios: |
a:b:c =2.2211:1:1.7651 |
Cell Dimensions: |
a = 12.576, b = 5.662, c = 9.994, Z = 4; beta = 115.56° V = 641.98 Den(Calc)= 5.70 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c |
X Ray Diffraction: |
By Intensity(I/Io): 3.167(1), 3.082(0.9), 5.063(0.6), |
Crystal Structure:
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Mouse
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| Physical Properties of Carlfriesite Cleavage: |
{010} Distinct |
Color: |
Yellow. |
Density: |
6.3 |
Hardness: |
3.5 - Copper Penny |
Streak: |
yellow |
| Optical Properties of Carlfriesite Gladstone-Dale: |
CI meas= 0.118 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1911,KPDmeas= 0.1729,KC= 0.1961 Ncalc = 2.12 - 2.24 Optical Data: |
Biaxial (-), a=1.982, b=2.095, g=2.19, bire=0.2080, 2V(Calc)=80, 2V(Meas)=80. |
| Calculated Properties of Carlfriesite Electron Density: |
Bulk Density (Electron Density)=4.97 gm/cc |
note: Specific Gravity of Carlfriesite =5.70 gm/cc. Fermion Index: |
Fermion Index = 0.05 |
Boson Index = 0.95 Photoelectric: |
PECarlfriesite = 245.73 barns/electron |
U=PECarlfriesite x rElectron Density=1,220.46 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Carlfriesite is Not Radioactive | Carlfriesite Classification Dana Class: |
34.05.03.01 (34)Selenites - Tellurites - Sulfites |
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(34.05)Dana Type |
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(34.05.03)Dana Group |
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Strunz Class: |
04.JK.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.J - Arsenites, Antimonites, Bismuthites, Sulfites, |
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04.JK -Tellurites without additional anions, without H2O |
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| Other Carlfriesite Information References: |
NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Carlfriesite : |
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 15 - WWW-MINCRYST Search for Carlfriesite using: Visit our Advertisers for Carlfriesite : A Bijoux Google Search for CarlfriesiteAdam's Minerals Google Search for Carlfriesite Cape Minerals Google Search for Carlfriesite Dakota Matrix Minerals Google Search for Carlfriesite Excalibur Mineral Corp. Google Search for Carlfriesite Exceptional Minerals Google Search for Carlfriesite John Betts Fine Minerals Search for Carlfriesite McDougall Minerals Google Search for Carlfriesite Mineral News Website Link Rock and Mineral Shows Google Search for Carlfriesite Weinrich Minerals, Inc. Google Search for Carlfriesite Ask about Carlfriesite here : Print or Cut-and-Paste your Carlfriesite Specimen Label here :
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