Classification of Brumadoite |
| IMA status: | Approved 2008 |
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| Dana 8th edition ID: | 33.1.6.
33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq |
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| mindat.org URL: | http://www.mindat.org/min-38827.html
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Type Occurrence of Brumadoite |
| Type Locality: | Pedra Preta pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil |
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| General Appearance of Type Material: | microcrystalline aggregates. Crystals are play, subhedral, 1 - 2 microns in size |
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| Place of Conservation of Type Material: | Holotype material, part in Museu de Geociencias, Instituto de Geociencias, Universidade de Sao Paulo, Sao Paulo, Brazil (cat. no . DR679) and part in Museu Jose Bonifacio de Andrada e Silva, Santos, Brazil |
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| Year of Discovery: | 1993 |
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| Associated Minerals at type locality: | |
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Physical Properties of Brumadoite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | blue |
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| Streak: | pale blue |
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| Hardness (Mohs): | 1 |
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| Hardness Data: | Could not be measured |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Parting: | not observed |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 4.768 g/cm3 |
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Crystallography of Brumadoite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Space Group: | P21/m {P1 1 21/m} {P21/m} {P1 21/m 1} |
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| Cell Parameters: | a = 8.629Å, b = 5.805Å, c = 7.654Å
β = 103.17° |
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| Ratio: | a:b:c = 1.486 : 1 : 1.319 |
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| Unit Cell Volume: | V 373.32 ų (Calculated from Unit Cell) |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 8.432 | | (100) | | 3.162 | | (66) | | 2.385 | | (27) | | 2.291 | | (12) | | 1.916 | | (11) | | 1.666 | | (14) | | 1.452 | | (10) | | 1.450 | | (10) |
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Chemical Properties of Brumadoite |
| Formula: | |
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| All elements listed in formula: | Cu, H, O, Te |
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Other Names for Brumadoite |
| Synonyms: | |
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| 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 Brumadoite |
Reference List:
- + | D. Atencio, A. C. Roberts, P. A. Matioli, J. A. R. Stirling, K. E. Venance, W. Doherty, C. J. Stanley, R. Rowe, G. J. C. Carpenter and J. M. V. Coutinho (2008): Brumadoite, a new copper tellurate hydrate, from Brumado, Bahia, Brazil. Mineralogical Magazine 72, 1201-1205. |
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Internet Links for Brumadoite |
| Search Engines: |
Look for Brumadoite on Google
Look for Brumadoite images on Google |
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| External Links: | Look for Brumadoite on WebmineralLook for Brumadoite on Athena MineralogyLook for Brumadoite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure Database |
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| Mineral Dealers: | By minerals from YourMineralCollectionTop quality minerals from Kristalle of CaliforniaFind Brumadoite on www.crystalclassics.co.ukSearch for - Brumadoite - on e-Rocks Mineral Sales & AuctionsThe Arkenstone - Fine MineralsMineral Classics - Worldwide Collector Quality Minerals and GemsFabre Minerals - search for Brumadoite specimensFine Minerals from Weinrich Minerals, Inc.Search for minerals at HeliodorSearch for Brumadoite from all mineral dealers at minfind.comVisit the Pueblo Gem and Mineral show, Tucson 2012SpiriferMinerals.com - high quality low prices |
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| Jobs: | Mining & Geology Jobs |
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Localities for Brumadoite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
The symbol next to localities in the list
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Mineral and Locality Search
