Classification of Jedwabite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 1/A.08-50
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| Nickel-Strunz 10th (pending) edition ID: | 1.AE.25
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) A : Metals and Intermetallic Alloys E : Iron-chromium family |
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| Dana 8th edition ID: | 1.1.34.1
1 : NATIVE ELEMENTS AND ALLOYS 1 : Metals, other than the Platinum Group |
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| mindat.org URL: | http://www.mindat.org/min-7120.html Please feel free to link to this page. |
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Type Occurrence of Jedwabite |
| Type Locality: | Avrorinskii Placer, Aktai River, Baranchinsky Massif, Nizhnii Tagil, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia |
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Physical Properties of Jedwabite |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | grayish yellow |
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| Hardness (Mohs): | 7 |
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| Hardness (Vickers): | VHN100=1100 kg/mm2 |
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| Cleavage: | None Observed |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 8.91 g/cm3 |
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Crystallography of Jedwabite |
| Crystal System: | Hexagonal |
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| Class (H-M): | 6mm - Dihexagonal Pyramidal |
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| Space Group: | P63mc |
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| Cell Parameters: | a = 4.81(2) Å, c = 7.87(2) Å
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| Ratio: | a:c = 1 : 1.636 |
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| Unit Cell Volume: | V 157.69 ų (Calculated from Unit Cell) |
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| Z: | 1 |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.19 | | (70) | | 2.05 | | (100) | | 2.01 | | (60) | | 1.347 | | (80) |
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Chemical Properties of Jedwabite |
| Formula: | |
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| Essential elements: | Fe, Ta |
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| All elements listed in formula: | Fe, Nb, Ta |
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Relationship of Jedwabite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Jedwabite |
| 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 Jedwabite |
| Reference List: | Mineralogical Record: 29: 472.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1997): 126(2): 100-104.[Am. Min. 83: 654(1998)(abstract)]
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Articles/Blogs about Jedwabite |
Internet Links for Jedwabite |
| Search Engines: |
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| External Links: | Look for Jedwabite on WebmineralLook for Jedwabite on Athena MineralogyLook for Jedwabite on WikipediaLook for Jedwabite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Jedwabite in the Natural History Museum (London) online catalogueJedwabite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | rare and unusual minerals mainly crystallizedFine Minerals from Dan Weinrich MineralsBuy fine minerals and gemstones from Pala InternationalFabre Minerals - search for Jedwabite specimensWendel Minerals - Auktion & ShopBuy minerals from Mineralium.comBuy from David K Joyce mineralsTop quality minerals from Kristalle of CaliforniaSearch for Jedwabite at Thames Valley MineralsHigh-end worldwide specimens & outstanding customer serviceFind Jedwabite on www.crystalclassics.co.ukSearch for - Jedwabite - on e-Rocks Mineral Sales & Auctions |
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| Jobs: | Mining & Geology Jobs |
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Localities for Jedwabite |