Classification of Magnolite |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
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| Strunz 8th edition ID: | 4/K.02-20
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| Nickel-Strunz 10th (pending) edition ID: | 4.JK.60
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O |
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| Dana 7th edition ID: | 34.1.8.1 |
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| Dana 8th edition ID: | 34.1.7.1
34 : SELENITES, TELLURITES AND SULFITES
1 : A(XO3) |
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Type Occurrence of Magnolite |
| Type Locality: | Keystone Mine, Magnolia District, Boulder Co., Colorado, USA |
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| Place of Conservation of Type Material: | Smithsonian Museum, Washington DC 165455 |
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| Year of Discovery: | 1877 |
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| Geological Setting of type material: | A late alteration product or the weathdring zone of complex polymetallic mineral deposits. |
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Physical Properties of Magnolite |
| Lustre: | Adamantine, Silky |
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| Diaphaneity (Transparency): | Transparent, Opaque |
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| Comment: | Silky in aggregates. |
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| Colour: | Colourless, creamy white, brown, yellow-green. |
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| Streak: | Pale brown |
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| Comment: | Soft |
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| Tenacity: | Brittle |
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| Cleavage: | Perfect
Perfect on {001}
Good perpendicular to {001} |
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| Density (calculated): | 8.12 g/cm3 |
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Crystallography of Magnolite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mm2 - Pyramidal |
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| Cell Parameters: | a = 5.958(1) Å, b = 10.576(2) Å, c = 3.749(1) Å
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| Ratio: | a:b:c = 0.563 : 1 : 0.354 |
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| Unit Cell Volume: | V 236.23 ų (Calculated from Unit Cell) |
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| Z: | 2 |
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| Morphology: | Bladed crystals, tufted aggregates. |
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Optical Data of Magnolite |
| Type: | Biaxial (+) |
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| Comments: | n=>2, 2V => 45 |
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Chemical Properties of Magnolite |
| Formula: | |
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| Essential elements: | Hg, O, Te |
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| All elements listed in formula: | Hg, O, Te |
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| Empirical Formula: | |
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Relationship of Magnolite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Magnolite |
| 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 Magnolite |
| Reference List: | American Mineralogist (1990): 75: 437.
Canadian Mineralogist (1989): 27: 133-136. |
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Internet Links for Magnolite |
| Search Engines: |
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| External Links: | Look for Magnolite on WebmineralLook for Magnolite on Athena MineralogyLook for Magnolite on WikipediaLook for Magnolite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Magnolite in the Natural History Museum (London) online catalogueMagnolite details from Handbook of Mineralogy (PDF) |
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Localities for Magnolite |
