Karasugite Mineral Data + 
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- 11.6.21.1 Karasugite SrCaAl(F,OH)7 P 21/c 2/m
- III/C.03-10 Prosopite CaAL2(F,OH)8 A2/a 2/m
- III/C.03-20 Chiolite Na5Al3F14 P 4/mnc 4/m 2/m 2/m
- III/C.03-30 Weberite Na2MgAlF7 I mma 2/m 2/m 2/m
- III/C.03-40 Usovite Ba2CaMgAl2F14 C 2/c or Cc Mono
- III/C.03-45 Karasugite SrCaAl(F,OH)7 P 21/c 2/m
- III/C.03-50 Carlhintzeite Ca2AlF7·(H2O) C1,C1 Tri
- III/C.03-55 Rosenbergite AlF3·3(H2O) P 4/n 4/m
- III/C.03-60 Ralstonite NaxMgxAl2-x(F,OH)6·(H2O) F d3m 4/m 3 2/m
- III/C.03-70 Neighborite NaMgF3 Pcmn 2/m 2/m 2/m
- III/C.03-80 Boldyrevite* NaCaMgAl3F14·4(H2O) None
General Karasugite Information |
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 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 | |||
| - % F -14.78 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
SrCaAlF5.25(OH)1.75 | ||
| IMA Status: |
Approved IMA 1994 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
IMA1993-013 | ||
Search for Karasugite Images | |||
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Images:
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Karasugite Crystallography |
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| 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 |
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| Cleavage: |
[100] Perfect | ||
| Color: |
Colorless. | ||
| Density: |
3.206 | ||
| Diaphaniety: |
Transparent | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Karasugite |
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| Gladstone-Dale: |
CI meas= 0.191 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.182 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1364,KPDmeas= 0.1349,KC= 0.1668 |
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| 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 |
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| Electron Density: |
relectron=2.99 gm/cc |
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| Fermion Index |
Fermion Index = 0.02182 Boson Index = 0.97818 |
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| Photoelectric: |
PEKarasugite = 36.84 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Karasugite is Not Radioactive |
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Karasugite Classification |
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| Dana Class: |
11.6.21.1 (11)Halide Complexes; Alumino-fluorides | ||
| (11.6)with miscellaneous formulae | |||
| (11.6.21)Dana Group | |||
| Strunz Class: |
III/C.03-45 III - Halogenides | ||
| III/C - Double halogenides with water, Fluorides | |||
| III/C.03 - Prosopite - Boldyrevite series | |||
Other Karasugite Information |
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| References: |
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 -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 Search for Karasugite using: Visit our Advertisers for Karasugite : Translate Karasugite Mineral Data : Ask about Karasugite here : Print or Cut-and-Paste your Karasugite Specimen Label here :
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