Classification of Simmonsite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 3/B.03-25
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| Nickel-Strunz 10th (pending) edition ID: | 3.CB.15
3 : HALIDES
C : Complex halides
B : Neso-aluminofluorides |
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| mindat.org URL: | http://www.mindat.org/min-7297.html
Please feel free to link to this page. |
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Type Occurrence of Simmonsite |
| Type Locality: | Zapot pegmatite, Gillis Range, Fitting District, Mineral Co., Nevada, USA |
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Physical Properties of Simmonsite |
| Lustre: | Greasy |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | Cream, pale buff |
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| Streak: | White |
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| Hardness (Mohs): | 2½ - 3 |
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Crystallography of Simmonsite |
| Crystal System: | Monoclinic |
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Optical Data of Simmonsite |
| Type: | Biaxial |
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| RI values: | nα = 1.359 nβ = 1.359 nγ = 1.359 |
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| Maximum Birefringence: | δ = 0.000
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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| Dispersion: | r < v weak |
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Chemical Properties of Simmonsite |
| Formula: | |
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| Essential elements: | Al, F, Li, Na |
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| All elements listed in formula: | Al, F, Li, Na |
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Relationship of Simmonsite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Simmonsite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Simmonsite |
| Reference List: | American Mineralogist (1999): 84: 769-772.
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Internet Links for Simmonsite |
| Search Engines: |
Look for Simmonsite on Google
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| External Links: | Look for Simmonsite on WebmineralLook for Simmonsite on Athena MineralogyLook for Simmonsite on WikipediaLook for Simmonsite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Simmonsite in the Natural History Museum (London) online catalogueSimmonsite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Lapis Mineral MagazinFine Minerals from Dan Weinrich MineralsDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.SpiriferMinerals.com - high quality specimensBuy from David K Joyce mineralsTop quality minerals from Kristalle of CaliforniaEdwards Minerals - Fine SpecimensHigh-end worldwide specimens & outstanding customer servicerare and unusual minerals mainly crystallizedBuy Minerals and Crystals from Crystalarium.comBuy Fine Minerals from mineralsweb.comFabre Minerals - search for Simmonsite specimens |
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| Jobs: | Mining & Geology Jobs |
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Localities for Simmonsite |
The 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.
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