| Formula: | |
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| System: | Orthorhombic | Hardness: | 6 |
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Originally reported from Trogtal Quarries, Lautenthal, Harz Mts, Lower Saxony, Germany.
Classification of Hastite |
| IMA status: | Discredited 2008 |
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| Explanation of status: | Type material proved to be ferroselite. |
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| Strunz 8th edition ID: | 2/D.20-30
2 : Sulphides D : Sulphides with metal: sulphur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold 20 : Markasite - Iridarsenite series |
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| Hey's CIM Ref.: | 3.10.7
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1) 10 : Sulphides etc. of Co |
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| mindat.org URL: | http://www.mindat.org/min-1825.html Please feel free to link to this page. |
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Physical Properties of Hastite |
| Hardness (Mohs): | 6 |
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Crystallography of Hastite |
| Crystal System: | Orthorhombic |
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| Cell Parameters: | a = 3.6Å, b = 4.84Å, c = 5.72Å
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| Ratio: | a:b:c = 0.744 : 1 : 1.182 |
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| Unit Cell Volume: | V 99.67 ų (Calculated from Unit Cell) |
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Chemical Properties of Hastite |
| Formula: | |
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| Essential elements: | Co, Se |
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| All elements listed in formula: | Co, Se |
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Relationship of Hastite to other Species |
Related Minerals - Strunz Grouping):
- + | |
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Related Minerals - Hey's Index Grouping:
- + | |
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Other Names for Hastite |
| 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 Hastite |
| Reference List: | American Mineralogist: 41: 164.
http://www.geo.vu.nl/users/ima-cnmmn/minerals08-04.pdf
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Internet Links for Hastite |
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| External Links: | Hastite details from Handbook of Mineralogy (PDF) |
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Localities for Hastite |