Mineralogy Database

Karasugite Mineral Data

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General Karasugite Information

Help on Chemical  Formula: Chemical Formula: SrCaAl(F,OH)7
Help on Composition: Composition: Molecular Weight = 284.18 gm
   Strontium  30.83 %  Sr   36.46 % SrO
   Calcium    14.10 %  Ca   19.73 % CaO
   Aluminum    9.49 %  Al   17.94 % Al2O3
   Hydrogen    0.62 %  H     5.55 % H2O
   Oxygen      9.85 %  O
   Fluorine   35.10 %  F    35.10 % F
                -   %   F   -14.78 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: SrCaAlF5.25(OH)1.75
Help on Environment: Environment: Secondary mineral formed in fissures in the oxidation zone of veins of iron ores in tectonic breccias.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: Karasug F-REE-barite-fluorite deposit, 15 km north of Karasug, western Tannu-Ola Mountains, Tuva, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the localtiy.
Help on Name Pronunciation: Name Pronunciation: Karasugite + Pronunciation Say KARASUGITE
Help on Synonym: Synonym: IMA1993-013

Karasugite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6852:1:0.5067
Help on Cell Dimensions: Cell Dimensions: a = 8.215, b = 11.989, c = 6.076, Z = 4; beta = 96.22° V = 594.90 Den(Calc)= 3.17
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.25(1), 3.06(0.8), 3.64(0.8),

Physical Properties of Karasugite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 3.206
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Karasugite

Help on Optical Data: Optical Data: Biaxial (+), a=1.424, b=1.432, g=1.4415, bire=0.0175, 2V(Calc)=86, 2V(Meas)=94-94.5.

Calculated Properties of Karasugite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.99 gm/cc
note: Specific Gravity of Karasugite =3.17 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEKarasugite = 36.84 barns/electron
U=PEKarasugite x rElectron Density= 110.13 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Karasugite is Not Radioactive

Karasugite Classification

Help on  Dana Class: Dana Class: (11)Halide Complexes; Alumino-fluorides
  (11.06)with miscellaneous formulae
  (11.06.21)Dana Group Karasugite SrCaAl(F,OH)7 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 03.CB.30 03 - HALIDES
  03.C - Complex Halides
  03.CB -Neso-aluminofluorides
03.CB.30 Karasugite SrCaAl(F,OH)7 P 21/c 2/m

Other Karasugite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
Help on See Also: See Also: Links to other databases for Karasugite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 03.CB.30