Carlfriesite Mineral Data

Carlfriesite Mineral Data
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General Carlfriesite Information

Help on Chemical Formula: Chemical Formula: CaTe++++2Te++++++O8
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: CaTe2TeO8
Help on Environment: Environment: Cavities in an oxidized hydrothermal Au–Te deposit in intensely silicified brecciated rhyolite vitrophyre.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: Oriental (Bambollita) mine, northeast of the Moctezuma (Bambolla) mine, 12 km south of Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Carl Fries, Jr. (1910-1965), U.S. Geological Survey and the Geological Institute of the National University, Mexico City, Mexico
Help on Synonym: Synonym: ICSD 100661
  PDF 29-333
 

Carlfriesite Image

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Carlfriesite

Comments: Pale bright yellow crystalline carlfriesite botryoids on white calcite.
Location: Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Carlfriesite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.2211:1:1.7651
Help on Cell Dimensions: Cell Dimensions: a = 12.576, b = 5.662, c = 9.994, Z = 4; beta = 115.56° V = 641.98 Den(Calc)= 5.70
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.167(1), 3.082(0.9), 5.063(0.6),
Click Here for Large Carlfriesite Structure Window Crystal Structure:

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Effenberger H , Zemann J , Mayer H , American Mineralogist , 63 (1978) p.847-852, Carlfriesite: crystal structure, revision of chemical formula, and synthesis

 

Physical Properties of Carlfriesite

Help on Cleavage: Cleavage: {010} Distinct
Help on Color: Color: Yellow.
Help on Density: Density: 6.3
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Streak: Streak: yellow
 

Optical Properties of Carlfriesite

Help on Gladstone-Dale: 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
Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.97 gm/cc
note: Specific Gravity of Carlfriesite =5.70 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PECarlfriesite = 245.73 barns/electron
U=PECarlfriesite x rElectron Density=1,220.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carlfriesite is Not Radioactive
 

Carlfriesite Classification
Help on Dana Class: Dana Class: 34.05.03.01 (34)Selenites - Tellurites - Sulfites
  (34.05)Dana Type
  (34.05.03)Dana Group
 
34.05.03.01 Carlfriesite CaTe2TeO8 C 2/c 2/m
Help on Strunz Class: Strunz Class: 04.JK.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JK -Tellurites without additional anions, without H2O
 
04.JK.25 Carlfriesite CaTe2TeO8 C 2/c 2/m
 

Other Carlfriesite Information
Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Carlfriesite

CaTe++++2Te++++++O8
Dana No: 34.05.03.01 Strunz No: 04.JK.25
Locality:

 

Notes: