Karasugite Mineral Data (original) (raw)
General Karasugite Information
Chemical Formula:
SrCaAl(F,OH)7
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
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
SrCaAlF5.25(OH)1.75
Environment:
Secondary mineral formed in fissures in the oxidation zone of veins of iron ores in tectonic breccias.
IMA Status:
Approved IMA 1994
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.
Name Origin:
Named for the localtiy.
Name Pronunciation:
Karasugite + Pronunciation 
Synonym:
IMA1993-013
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Images:
Karasugite Crystallography
Axial Ratios:
a:b:c =0.6852:1:0.5067
Cell Dimensions:
a = 8.215, b = 11.989, c = 6.076, Z = 4; beta = 96.22° V = 594.90 Den(Calc)= 3.17
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
X Ray Diffraction:
By Intensity(I/Io): 4.25(1), 3.06(0.8), 3.64(0.8),
Physical Properties of Karasugite
Cleavage:
{100} Perfect
Color:
Colorless.
Density:
3.206
Diaphaneity:
Transparent
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Karasugite
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
Electron Density:
Bulk Density (Electron Density)=2.99 gm/cc
note: Specific Gravity of Karasugite =3.17 gm/cc.
Fermion Index:
Fermion Index = 0.02
Boson Index = 0.98
Photoelectric:
PEKarasugite = 36.84 barns/electron
U=PEKarasugite x rElectron Density= 110.13 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Karasugite is Not Radioactive
Karasugite Classification
Dana Class:
11.06.21.01 (11)Halide Complexes; Alumino-fluorides
(11.06)with miscellaneous formulae
(11.06.21)Dana Group
11.06.21.01 Karasugite SrCaAl(F,OH)7 P 21/c 2/m
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
References:
NAME( AntBidBlaNic3) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
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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Print or Cut-and-Paste your Karasugite Specimen Label here :
Karasugite
SrCaAl(F,OH)7
Dana No: 11.06.21.01 Strunz No: 03.CB.30
Locality:
Notes: