General Galeite Information Chemical Formula: |
Na15(SO4)5F4Cl |
Composition: |
Molecular Weight = 936.61 gm |
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Sodium 36.82 % Na 49.63 % Na2O |
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Sulfur 17.12 % S 42.74 % SO3 |
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Chlorine 3.79 % Cl 3.79 % Cl |
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- %
Cl -0.85 % -O=Cl2 |
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Oxygen 34.16 % O |
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Fluorine 8.11 % F 8.11 % F |
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- %
F -3.42 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na15(SO4)5F4Cl |
Environment: |
Continental evaporite deposits. |
IMA Status: |
Valid Species (Pre-IMA) 1955 |
Locality: |
Searles Lake, San Bernardino Co., California. Link to MinDat.org Location Data. |
Name Origin: |
Named for William Alexander Gale (1898-1985), Director of Research of the American Potash and Chemical Corporation.. |
Name Pronunciation: |
Galeite |
Synonym: |
ICSD 4290 |
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PDF 15-651 |
| | Galeite Image
Images:
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Galeite Crystallography Axial Ratios: |
a:c = 1:1.14413 |
Cell Dimensions: |
a = 12.197, c = 13.955, Z = 3; V = 1,797.90 Den(Calc)= 2.60 |
Crystal System: |
Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.79(1), 3.52(0.8), 3.68(0.7), |
Crystal Structure:
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Mouse
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| Physical Properties of Galeite Color: |
Colorless, White. |
Density: |
2.605 |
Streak: |
white |
| Optical Properties of Galeite Gladstone-Dale: |
CI meas= 0.074 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.072 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1723,KPDmeas= 0.172,KC= 0.1857 Ncalc = 1.48 Optical Data: |
Uniaxial (+), w=1.447, e=1.449, bire=0.0020. |
| Calculated Properties of Galeite Electron Density: |
Bulk Density (Electron Density)=2.54 gm/cc |
note: Specific Gravity of Galeite =2.60 gm/cc. Fermion Index: |
Fermion Index = 0.0014478471 |
Boson Index = 0.9985521529 Photoelectric: |
PEGaleite = 1.91 barns/electron |
U=PEGaleite x rElectron Density= 4.85 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Galeite is Not Radioactive | Galeite Classification Dana Class: |
30.01.08.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen |
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(30.01)where (A B)m (XO4)p Zq where m:p>2:1 |
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(30.01.08)Dana Group |
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Strunz Class: |
07.BD.10 07 - SULFATES (SELENATES, TELLURATES) |
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07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O |
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07.BD -With only large cations |
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| Other Galeite Information References: |
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Galeite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Galeite using: Visit our Advertisers for Galeite : A Bijoux Google Search for GaleiteAdam's Minerals Google Search for Galeite Cape Minerals Google Search for Galeite Dakota Matrix Minerals Google Search for Galeite Excalibur Mineral Corp. Google Search for Galeite Exceptional Minerals Google Search for Galeite John Betts Fine Minerals Search for Galeite McDougall Minerals Google Search for Galeite Mineral News Website Link Rock and Mineral Shows Google Search for Galeite Weinrich Minerals, Inc. Google Search for Galeite Ask about Galeite here : Print or Cut-and-Paste your Galeite Specimen Label here :
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