Classification of Brumadoite |
| IMA status: | Approved 2008 |
|---|
| Dana 8th edition ID: | 33.1.6.
33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq |
|---|
| mindat.org URL: | http://www.mindat.org/min-38827.html
Please feel free to link to this page. |
|---|
Type Occurrence of Brumadoite |
| Type Locality: | Pedra Preta pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil |
|---|
| General Appearance of Type Material: | microcrystalline aggregates. Crystals are play, subhedral, 1 - 2 microns in size |
|---|
| 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 |
|---|
| Year of Discovery: | 1993 |
|---|
| Associated Minerals at type locality: | |
|---|
Physical Properties of Brumadoite |
| Lustre: | Vitreous |
|---|
| Diaphaneity (Transparency): | Transparent, Translucent |
|---|
| Colour: | blue |
|---|
| Streak: | pale blue |
|---|
| Hardness (Mohs): | 1 |
|---|
| Hardness Data: | Could not be measured |
|---|
| Tenacity: | Brittle |
|---|
| Cleavage: | None Observed |
|---|
| Parting: | not observed |
|---|
| Fracture: | Irregular/Uneven |
|---|
| Density (calculated): | 4.768 g/cm3 |
|---|
Crystallography of Brumadoite |
| Crystal System: | Monoclinic |
|---|
| Class (H-M): | 2/m - Prismatic |
|---|
| Space Group: | P21/m {P1 1 21/m} {P21/m} {P1 21/m 1} |
|---|
| Cell Parameters: | a = 8.629Å, b = 5.805Å, c = 7.654Å
β = 103.17° |
|---|
| Ratio: | a:b:c = 1.486 : 1 : 1.319 |
|---|
| Unit Cell Volume: | V 373.32 ų (Calculated from Unit Cell) |
|---|
| 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) |
|
|---|
Chemical Properties of Brumadoite |
| Formula: | |
|---|
| All elements listed in formula: | Cu, H, O, Te |
|---|
Other Names for Brumadoite |
| Synonyms: | |
|---|
| Other Languages: | |
|---|
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. |
|---|
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. |
|---|
Internet Links for Brumadoite |
| Search Engines: |
Look for Brumadoite on Google
Look for Brumadoite images on Google |
|---|
| External Links: | Look for Brumadoite on WebmineralLook for Brumadoite on Athena MineralogyLook for Brumadoite on WikipediaLook for Brumadoite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Brumadoite in the Natural History Museum (London) online catalogue |
|---|
| Mineral Dealers: | Fine Minerals from Dan Weinrich MineralsHigh-end worldwide specimens & outstanding customer serviceTop quality minerals from Kristalle of CaliforniaWilensky Fine MineralsSearch for - Brumadoite - on e-Rocks Mineral Sales & Auctionsrare and unusual minerals mainly crystallizedThe Arkenstone - Fine MineralsBuy from David K Joyce mineralsWendel Minerals - Auktion & ShopBuy minerals from Mineralium.comSpiriferMinerals.com - high quality specimensBuy Minerals and Crystals from Crystalarium.com |
|---|
| Jobs: | Mining & Geology Jobs |
|---|
Page Sponsor |
| Sponsorship: | This page is currently not sponsored. Click here to sponsor this page. |
|---|
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
can be used to jump to that position on the map.
|
