Pabstite (original) (raw)
A valid IMA mineral species
About PabstiteHide
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Name:
Named in honor of Adolf Pabst (30 November 1899, Chicago, Illinois, USA - 3 April 1990, Berkeley, California, USA), mineralogist. He served as president of the Mineralogical Society of America, the International Mineralogical Association, and the Crystallographic Society of America. He was awarded the 1965 Roebling Medal.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:3057:7
1d8f1392-5805-4214-861a-8246d64f870c
IMA Classification of PabstiteHide
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Type description reference:
Classification of PabstiteHide
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9.CA.05
9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
59.1.1.3
59 : CYCLOSILICATES Three-Membered Rings
1 : Three-Membered Rings, anhydrous, no other anions
14.12.4
14 : Silicates not Containing Aluminum
12 : Silicates of Sn
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 |
|---|---|---|
| Pab | 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 PabstiteHide
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Comment:
White with a pink tinge on a fresh surface
Density:
4.03 g/cm3 (Measured) 4.07 g/cm3 (Calculated)
Optical Data of PabstiteHide
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RI values:
_n_ω = 1.685(2) _n_ε = 1.674(2)
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
RI is lower in less titanium rich material. see: Pautov, L. (2003): New Data on Minerals: 38: 15-19.
anomalous interference colors in blue-violet or golden yellow
Chemistry of PabstiteHide
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Mindat Formula:
Ba(Sn,Ti)(Si3O9)
Crystallography of PabstiteHide
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Class (H-M):
6_m_2 - Ditrigonal Dipyramidal
Cell Parameters:
a = 6.7037(7) Å, c = 9.824(1) Å
Unit Cell V:
382.34 ų (Calculated from Unit Cell)
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0013298 | Pabstite | Choisnet J, Deschanvres A, Raveau B (1972) Sur de nouveaux germanates et silicates de type benitoite _cod_database_code 1001773 Journal of Solid State Chemistry 4 209-218 | 1972 | 0 | 293 | ||
| 0014808 | Pabstite | Hawthorne F C (1987) The crystal chemistry of the benitoite group minerals and structural relations in (Si3O9) ring structures recrystallized siliceous limestone at Santa Cruz, Ca" Neues Jahrbuch fur Mineralogie, Monatshefte 1987 16-30 | 1987 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.762 Å | (100) |
| 2.775 Å | (90) |
| 5.829 Å | (30) |
| 3.363 Å | (30) |
| 1.987 Å | (20) |
| 2.912 Å | (18) |
| 1.807 Å | (17) |
Geological EnvironmentHide
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Type Occurrence of PabstiteHide
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Place of Conservation of Type Material:
Harvard University, Cambridge, Massachusetts, 119605; National Museum of Natural History, Washington, D.C., USA, 145632.
Associated Minerals at Type Locality:
Reference:
Gross, E.G., Wainwright, J.E.N., Evans, B.W. (1965) Pabstite, the tin analogue of benitoite. American Mineralogist: 50: 1164-1169.
Synonyms of PabstiteHide
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Other Language Names for PabstiteHide
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Relationship of Pabstite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Fluorescence of PabstiteHide
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Bluish white in short-wave ultraviolet light.
Other InformationHide
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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 PabstiteHide
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References for PabstiteHide
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Localities for PabstiteHide
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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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