Classification of Caswellsilverite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 2/F.08-10
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| Nickel-Strunz 10th (pending) edition ID: | 2.FB.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
B : With alkalies (without Cl, etc.) |
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| Dana 8th edition ID: | 2.9.17.1
2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1 |
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| Hey's CIM Ref.: | 3.8.2
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
8 : Sulphides etc. of Cr, Mo, W an Mn |
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| mindat.org URL: | http://www.mindat.org/min-918.html
Please feel free to link to this page. |
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Type Occurrence of Caswellsilverite |
| Type Locality: | Norton County meteorite, Norton Co., Kansas, USA |
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| Year of Discovery: | 1982 |
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| Geological Setting of type material: | Enstatite achondrite |
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Physical Properties of Caswellsilverite |
| Lustre: | Metallic |
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| Colour: | Yellowish-grey, Grey |
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| Hardness (Mohs): | 2 |
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Crystallography of Caswellsilverite |
| Crystal System: | Trigonal |
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| Cell Parameters: | a = 3.54Å, c = 19.35Å
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| Ratio: | a:c = 1 : 5.466 |
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| Unit Cell Volume: | V 210.00 ų (Calculated from Unit Cell) |
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Optical Data of Caswellsilverite |
| Type: | Anisotropic |
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| Anisotropism: | Strong |
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| Bireflectance: | Strong |
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Chemical Properties of Caswellsilverite |
| Formula: | |
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| Essential elements: | Cr, Na, S |
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| All elements listed in formula: | Cr, Na, S |
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| Common Impurities: | Fe,Ca,Mg,Mn,Ti |
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Relationship of Caswellsilverite 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 Caswellsilverite |
| Synonyms: | |
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| German names: | |
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| Russian names: | |
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| Spanish 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 Caswellsilverite |
| Reference List: | American Mineralogist: 67: 132-136.
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Internet Links for Caswellsilverite |
| Search Engines: |
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| External Links: | Look for Caswellsilverite on WebmineralLook for Caswellsilverite on Athena MineralogyLook for Caswellsilverite on WikipediaLook for Caswellsilverite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Caswellsilverite in the Natural History Museum (London) online catalogueCaswellsilverite details from Handbook of Mineralogy (PDF) |
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Localities for Caswellsilverite |
