| Carlfriesite Mineral Data |
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- 34.5.3.1 Carlfriesite CaTe2TeO8 C 2/c 2/m
- IV/K.13-05 Zincospiroffite! Zn2Te3O8 C 2/c 2/m
- IV/K.13-10 Spiroffite (Mn,Zn)2Te3O8 C 2/c 2/m
- IV/K.13-20 Mroseite CaTe(CO3)O2 P bca 2/m 2/m 2/m
- IV/K.13-30 Carlfriesite CaTe2TeO8 C 2/c 2/m
General Carlfriesite Information |
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 Chemical Formula: |
CaTe++++2Te++++++O8 | ||
| Composition: |
Molecular Weight = 550.87 gm | ||
| Calcium 7.28 % Ca 10.18 % CaO | |||
| Tellurium 69.49 % Te 86.92 % TeO2 | |||
| Oxygen 23.23 % O | |||
| ______ ______ | |||
| 100.00 % 97.10 % = TOTAL OXIDE | |||
| Empirical Formula: |
CaTe2TeO8 | ||
| IMA Status: |
Approved IMA 1975 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 100661 | ||
| PDF 29-333 | |||
Carlfriesite Image | |||
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Images:
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Carlfriesite Crystallography |
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| 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), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Carlfriesite |
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| Cleavage: |
[010] Distinct | ||
| Color: |
Yellow. | ||
| Density: |
6.3 | ||
| Hardness: |
3.5 - Copper Penny | ||
| Streak: |
yellow | ||
Optical Properties of Carlfriesite |
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| 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 |
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| 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 |
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| Electron Density: |
relectron=4.97 gm/cc |
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| Fermion Index |
Fermion Index = 0.05573 Boson Index = 0.94427 |
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| Photoelectric: |
PECarlfriesite = 245.73 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Carlfriesite is Not Radioactive |
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Carlfriesite Classification |
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| Dana Class: |
34.5.3.1 (34)Selenites - Tellurites - Sulfites | ||
| (34.5)Dana Type | |||
| (34.5.3)Dana Group | |||
| Strunz Class: |
IV/K.13-30 IV - Oxides | ||
| IV/K - Tellurides with [Te3O8]4- groups | |||
| IV/K.13 - Spiroffite - Carlfriesite series | |||
Other Carlfriesite Information |
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| References: |
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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Carlfriesite using: Visit our Advertisers for Carlfriesite : Translate Carlfriesite Mineral Data : Ask about Carlfriesite here : Print or Cut-and-Paste your Carlfriesite Specimen Label here :
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