Classification of Riomarinaite |
| IMA status: | Approved 2000 |
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| Strunz 8th edition ID: | 6/0.0-
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| Nickel-Strunz 10th (pending) edition ID: | 7.DF.75
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates) D : Sulfates (selenates, etc.) with additional anions, with H2O F : With large and medium-sized cations |
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| mindat.org URL: | http://www.mindat.org/min-27210.html Please feel free to link to this page. |
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Type Occurrence of Riomarinaite |
| Type Locality: | Falcacci stope (Le Cavacce), Rio Mine (Rio Marina Mine), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy |
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| General Appearance of Type Material: | cavernous masses and coatings, rarely radiated aggregates of acicolar crystals |
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| Year of Discovery: | 2005 |
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| Geological Setting of type material: | alteration product of bismuthinite at very low pH values |
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| Associated Minerals at type locality: | |
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Physical Properties of Riomarinaite |
| Lustre: | Vitreous |
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| Colour: | light beige to light grey |
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| Streak: | white to light grey |
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| Hardness (Mohs): | 2 - 3 |
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| Tenacity: | Brittle |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 4.8 g/cm3 |
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Crystallography of Riomarinaite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Cell Parameters: | a = 6.0118Å, b = 13.3355Å, c = 6.4854Å β = 112.906° |
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| Ratio: | a:b:c = 0.451 : 1 : 0.486 |
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| Unit Cell Volume: | V 478.94 ų |
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| Z: | 4 |
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Chemical Properties of Riomarinaite |
| Formula: | |
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| All elements listed in formula: | Bi, H, O, S |
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Relationship of Riomarinaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Riomarinaite |
| Synonyms: | |
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| Other Languages: | |
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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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References for Riomarinaite |
| Reference List: | Rögner, P. (2005): Riomarinait, ein neues Wismutmineral vom Abbau Falcacci, Rio Marina, Elba (Italien). Aufschluss 56, 53-60. |
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Internet Links for Riomarinaite |
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| External Links: | Look for Riomarinaite on WebmineralLook for Riomarinaite on Athena MineralogyLook for Riomarinaite on WikipediaLook for Riomarinaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Riomarinaite in the Natural History Museum (London) online catalogue |
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Localities for Riomarinaite |