Galeite (original) (raw)
A valid IMA mineral species - grandfathered
About GaleiteHide
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Name:
Named in 1955 by Adolf Pabst, Dwight L. Sawyer, Jr., and George S. Switzer in honor of William Alexander Gale (3 February 1898, Douro, Peterborough, Ontario, Canada – 4 March 1985, California, United States), Director of Research of the American Potash and Chemical Corporation.
Forms polycrystals with schairerite in the type material.
Can be treated as a 5H antiperovskite polytype, while schairerite - a 7H one.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1640:3
e4611a07-bc7a-4ad2-b66e-ddf2c7bb9633
IMA Classification of GaleiteHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Na15(SO4)5ClF4
Type description reference:
Classification of GaleiteHide
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7.BD.10
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
30.1.8.1
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
26.4
26 : Sulphates with Halide
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Gle | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of GaleiteHide
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Density:
2.605(5) g/cm3 (Measured) 2.596 g/cm3 (Calculated)
Comment:
Calculated density from Fanfani et al. (1975).
Optical Data of GaleiteHide
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RI values:
_n_ω = 1.447(2) _n_ε = 1.449(2)
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of GaleiteHide
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Mindat Formula:
Na15(SO4)5F4Cl
Crystallography of GaleiteHide
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Class (H-M):
3_m_ - Ditrigonal Pyramidal
Cell Parameters:
a = 12.197(4) Å, c = 13.955(10) Å
Unit Cell V:
1,797.90 ų (Calculated from Unit Cell)
Morphology:
Barrel-shapaed crystals. Forms include {1121}, {2111}, {0001}, {1120}.
Comment:
Cell parameters from Fanfani et al. (1975); complexity: 695.175 bits/cell
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014464 | Galeite | Fanfani L, Nunzi A, Zanazzi P F, Zanzari A R (1975) The crystal structure of galeite, Na15(SO4)5F4Cl Mineralogical Magazine 40 357-361 |  |
1975 | Searles Lake, California, USA | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.79 Å | (100) |
| 3.52 Å | (80) |
| 3.68 Å | (70) |
| 2.55 Å | (70) |
| 2.97 Å | (60) |
| 1.758 Å | (60) |
| 3.04 Å | (40) |
Geological EnvironmentHide
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Type Occurrence of GaleiteHide
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General Appearance of Type Material:
Small nodular aggregates of minute white crystals, embedded in clay and other salt minerals. Crystals to about 1 mm. Hexagonal, barrel-shaped, rarely tabular.
Place of Conservation of Type Material:
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 107385.
Geological Setting of Type Material:
Drill core from an evaporite deposit.
Associated Minerals at Type Locality:
Reference:
Pabst, A., Sawyer, D.L., Switzer, G. (1955) Galeite, a new mineral from Searles Lake, California. Geological Society of America Bulletin: 66: 1658-1659.
Other Language Names for GaleiteHide
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Related Minerals - Strunz-mindat GroupingHide
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Other InformationHide
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Thermal Behaviour:
stable up to 600
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for GaleiteHide
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References for GaleiteHide
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Reference List:
Localities for GaleiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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