Classification of Silvialite |
| IMA status: | Approved 1998 |
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| Strunz 8th edition ID: | 8/J.13-25
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| Nickel-Strunz 10th (pending) edition ID: | 9.FB.15
9 : SILICATES (Germanates) F : Tektosilicates without zeolitic H2O B : Tektosilicates with additional anions |
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| mindat.org URL: | http://www.mindat.org/min-7296.html Please feel free to link to this page. |
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Type Occurrence of Silvialite |
| Type Locality: | McBride Province, Queensland, Australia |
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Occurrences of Silvialite |
| Geological Setting: | Granulite facies metamorphic rocks |
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Physical Properties of Silvialite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | White, slightly yellowish |
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| Streak: | White |
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| Hardness (Mohs): | 5½ |
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Crystallography of Silvialite |
| Crystal System: | Tetragonal |
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Optical Data of Silvialite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 1.585 nε = 1.558 |
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| Maximum Birefringence: | δ = 0.027
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Low |
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Chemical Properties of Silvialite |
| Formula: | |
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| Essential elements: | Al, Ca, O, S, Si |
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| All elements listed in formula: | Al, C, Ca, Na, O, S, Si |
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Relationship of Silvialite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Silvialite |
| 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 Silvialite |
| Reference List: | Mineralogical Magazine (1999): 63: 321-329.
Neues Jahrbuch für Mineralogie, Geologie und Paläntologie: 39: 79-125.
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Internet Links for Silvialite |
| Search Engines: |
Look for Silvialite on Google
Look for Silvialite images on Google |
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| External Links: | Look for Silvialite on WebmineralLook for Silvialite on Athena MineralogyLook for Silvialite on WikipediaLook for Silvialite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Silvialite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Find Silvialite on www.crystalclassics.co.ukWilensky Fine MineralsDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.Edwards Minerals - Fine SpecimensMineral Classics - Worldwide Collector Quality Minerals and GemsBuy from David K Joyce mineralsRare and Unusual minerals at Mineralogical Research CompanySearch for - Silvialite - on e-Rocks Mineral Sales & AuctionsThe Arkenstone - Fine MineralsFabre Minerals - search for Silvialite specimensBuy Fine Minerals from mineralsweb.comrare and unusual minerals mainly crystallized |
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| Jobs: | Mining & Geology Jobs |
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Localities for Silvialite |
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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