Classification of Trikalsilite |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
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| Strunz 8th edition ID: | 8/J.02-30
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| Nickel-Strunz 10th (pending) edition ID: | 9.FA.05
9 : SILICATES (Germanates) F : Tektosilicates without zeolitic H2O A : Tektosilicates without additional non-tetrahedral anions |
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| Dana 8th edition ID: | 76.2.1.3
76 : TECTOSILICATES Al-Si Framework 2 : Al-Si Framework Feldspathoids and related species |
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| Hey's CIM Ref.: | 16.4.3
16 : Silicates Containing Aluminum and other Metals 4 : Aluminosilicates of Na and K |
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| mindat.org URL: | http://www.mindat.org/min-4017.html Please feel free to link to this page. |
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Type Occurrence of Trikalsilite |
| Type Locality: | Kabfumu, Kivu, Democratic Republic of Congo (Zaïre) |
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| Year of Discovery: | 1957 |
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Physical Properties of Trikalsilite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | Colourless |
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| Hardness (Mohs): | 6 |
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Crystallography of Trikalsilite |
| Crystal System: | Hexagonal |
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| Cell Parameters: | a = 15.35Å, c = 8.53Å
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| Ratio: | a:c = 1 : 0.556 |
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| Unit Cell Volume: | V 1,740.59 ų (Calculated from Unit Cell) |
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Chemical Properties of Trikalsilite |
| Formula: | |
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| Essential elements: | Al, Na, O, Si |
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| All elements listed in formula: | Al, K, Na, O, Si |
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Relationship of Trikalsilite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Trikalsilite |
| German names: | |
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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 Trikalsilite |
| Reference List: | American Mineralogist (1957): 42: 286.
Bonaccorsi E., Merlino S., Pasero M. (1988), Trikalsilite: its structural relationships with nepheline and tetrakalsilite. Neues Jahrbuch für Mineralogie, Monatshefte (1988): (12): 559-567.
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Internet Links for Trikalsilite |
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| External Links: | Look for Trikalsilite on WebmineralLook for Trikalsilite on Athena MineralogyLook for Trikalsilite on WikipediaLook for Trikalsilite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Trikalsilite in the Natural History Museum (London) online catalogueTrikalsilite details from Handbook of Mineralogy (PDF) |
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Localities for Trikalsilite |