Classification of Andesine |
| Strunz 8th edition ID: | 8/J.07-40
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| Nickel-Strunz 10th (pending) edition ID: | 9.FA.35
9 : SILICATES (Germanates) F : Tektosilicates without zeolitic H2O A : Tektosilicates without additional non-tetrahedral anions |
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| mindat.org URL: | http://www.mindat.org/min-220.html Please feel free to link to this page. |
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Physical Properties of Andesine |
| Lustre: | Sub-Vitreous |
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| Colour: | White, grey, greenish, yellowish, etc. |
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| Streak: | White |
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| Hardness (Mohs): | 6 - 6½ |
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| Cleavage: | Perfect |
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| Fracture: | Step-Like |
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Crystallography of Andesine |
| Crystal System: | Triclinic |
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Optical Data of Andesine |
| Type: | Biaxial (+/-) |
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| RI values: | nα = 1.543 - 1.554 nβ = 1.547 - 1.559 nγ = 1.552 - 1.562 |
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| 2V: | Measured: 76° to 83°, Calculated: 78° to 84° |
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| Maximum Birefringence: | δ = 0.009
 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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| Dispersion: | none |
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Chemical Properties of Andesine |
| Formula: | |
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| All elements listed in formula: | Al, Ca, Na, O, Si |
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Relationship of Andesine to other Species |
| Member of Group: | |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Andesine |
| 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 Andesine |
| Reference List: | Richet, P. and Bottinga, Y. (1984b) Anorthite, andesine, wollastonite, diopside, cordierite, and pyrope thermodynamics of melting, glass transitions, and properties of the amorphous phases. Earth and Planetary Science Letters: 67: 415-432.
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Internet Links for Andesine |
| Search Engines: |
Look for Andesine on Google
Look for Andesine images on Google |
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| External Links: | Andesine details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Top quality minerals from Kristalle of CaliforniaThe Arkenstone - Fine MineralsHigh-end worldwide specimens & outstanding customer serviceFabre Minerals - search for Andesine specimensEdwards Minerals - Fine SpecimensBuy Minerals and Crystals from Crystalarium.comRare and Unusual minerals at Mineralogical Research CompanyMineral Classics - Worldwide Collector Quality Minerals and GemsFine Minerals from Dan Weinrich MineralsDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.Wilensky Fine MineralsBuy from David K Joyce minerals |
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| Jobs: | Mining & Geology Jobs |
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Localities for Andesine |
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
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