Classification of Santarosaite |
| IMA status: | Approved 2007 |
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| Nickel-Strunz 10th (pending) edition ID: | 6.BD.05
6 : BORATES B : Diborates D : Tektodiborates with tetrahedra |
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| Dana 8th edition ID: | 24.5.5.
24 : ANHYDROUS BORATES 5 : Miscellaneous |
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| mindat.org URL: | http://www.mindat.org/min-29030.html Please feel free to link to this page. |
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Type Occurrence of Santarosaite |
| Type Locality: | Santa Rosa Mine, Iquique, Iquique Province, Tarapacá Region, Chile |
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| General Appearance of Type Material: | globules to 60 microns in size |
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| Place of Conservation of Type Material: | Mineralogical Museum of the University of Hamburg, Germany |
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| Year of Discovery: | 2003 |
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| Associated Minerals at type locality: | |
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Physical Properties of Santarosaite |
| Lustre: | Vitreous |
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| Colour: | vivid blue |
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| Streak: | pale blue |
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| Density (calculated): | 3.96 g/cm3 |
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Crystallography of Santarosaite |
| Crystal System: | Tetragonal |
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| Class (H-M): | 4 2m - Scalenohedral |
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| Space Group: | I4 2d |
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| Cell Parameters: | a = 11.517(8) Å, c = 5.632(6) Å
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| Ratio: | a:c = 1 : 0.489 |
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| Unit Cell Volume: | V 747.1 ų |
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| Z: | 12 |
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| Morphology: | globular aggregates of tiny leaf-like crystallites less than 1 micron thick. |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 3.707 | | (100) | | 3.638 | | (47) | | 2.876 | | (17) | | 2.775 | | (35) | | 2.572 | | (26) | | 2.501 | | (26) | | 1.822 | | (21) |
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Chemical Properties of Santarosaite |
| Formula: | |
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| All elements listed in formula: | B, Cu, O |
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| Analyical Data: | Average of 15 analyses (electron microprobe). The low total is assumed to originate from structural reasons (the very small size of the crystallites) and not "analytical failures".
CuO (43.24)
PbO (4.48)
CaO (0.97)
B203 (45.44)
Total (94.13) |
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| Common Impurities: | Pb,Ca |
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Other Names for Santarosaite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Fluorescence in UV light: | not observed |
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| Other Information: | not soluble in water, but in HCl |
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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 Santarosaite |
| Reference List: | Schlüter, J., Pohl, D., Golla-Schindler, U. (2008): Santarosaite, CuB2O4, a new mineral with disordered structure from the Santa Rosa mine, Atacama desert, Chile. Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 27-32. |
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Articles/Blogs about Santarosaite |
Internet Links for Santarosaite |
| Search Engines: |
Look for Santarosaite on Google
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| External Links: | Look for Santarosaite on WebmineralLook for Santarosaite on Athena MineralogyLook for Santarosaite on WikipediaLook for Santarosaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Santarosaite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Search for Santarosaite at Thames Valley MineralsTop quality minerals from Kristalle of CaliforniaBuy fine minerals and gemstones from Pala InternationalWendel Minerals - Auktion & ShopLapis Mineral MagazinFabre Minerals - search for Santarosaite specimensThe Arkenstone - Fine MineralsBuy Fine Minerals from mineralsweb.comrare and unusual minerals mainly crystallizedBuy minerals from Mineralium.comSearch for - Santarosaite - on e-Rocks Mineral Sales & AuctionsMineral Classics - Worldwide Collector Quality Minerals and Gems |
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Localities for Santarosaite |
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