Classification of Andorite IV |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
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| Strunz 8th edition ID: | 2/E.0-
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| Nickel-Strunz 10th (pending) edition ID: | 2.JB.40
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.) J : Sulfosalts of PbS archetype B : Galena derivatives, with Pb |
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| mindat.org URL: | http://www.mindat.org/min-11345.html Please feel free to link to this page. |
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Type Occurrence of Andorite IV |
| Type Locality: | Les Cougnasses, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France |
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Occurrences of Andorite IV |
| Geological Setting: | subvolcanic hydrothermal Ag-Sn-bearing veins |
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Physical Properties of Andorite IV |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | grey |
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| Streak: | black |
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Crystallography of Andorite IV |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2 - Sphenoidal |
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| Space Group: | P2 (P1 1 2) [P2] {P1 2 1} |
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| Cell Parameters: | a = 13.04Å, b = 17.07Å, c = 10.18Å β = 90° |
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| Ratio: | a:b:c = 0.764 : 1 : 0.596 |
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| Unit Cell Volume: | V 2,265.99 ų (Calculated from Unit Cell) |
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| Z: | 1 |
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Chemical Properties of Andorite IV |
| Formula: | |
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| Essential elements: | |
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| All elements listed in formula: | Ag, Pb, S, Sb |
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| Analyical Data: | (First analysis given is on Pirquitas material, second for Oruro material.)
Pb (27.27) (25.46)
Ag (11.18) (10.87)
Cu (0.06) (0.23)
Bi (0.88)
Sb (39.63) (40.36)
S (21.51) (22.23) |
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| Common Impurities: | Bi,Cu |
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Relationship of Andorite IV to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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Other Names for Andorite IV |
| Synonyms: | |
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| German names: | |
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| Spanish names: | |
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Other Information |
| Fluorescence in UV light: | none |
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| 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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| Industrial Uses: | silver ore |
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References for Andorite IV |
| Reference List: | Moelo, Y., Makowicky, E., & Karup-Moller, S., (1984): New data on the minerals of the andorite series. Neues Jahrbuch Mineralogie, Monatshefte: 4: 175-182.
Paar, W., Brodtkorb, M.K.de, Topa, D. & Sureda, R.J., (1996): Caracterizacion mineralogica y quimica de algunas especies metaliferas del yacimiento Pirquitas, provincia de Jujuy, Republica Argentina. Part 1. 3rd Congreso Geologico Argentino & 3rd Congreso de Exploracion de Hidrocarburos, 3: 141-158.
American Mineralogist 70:219 (1985) |
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Internet Links for Andorite IV |
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| External Links: | Look for Andorite IV on WebmineralLook for Andorite IV on Athena MineralogyLook for Andorite IV on WikipediaLook for Andorite IV on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Andorite IV in the Natural History Museum (London) online catalogue |
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Localities for Andorite IV |
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