Classification of Bederite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 7/C.18-15
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| Nickel-Strunz 10th (pending) edition ID: | 8.CF.05
8 : PHOSPHATES, ARSENATES, VANADATES C : Phosphates without additional anions, with H2O F : With large and medium-sized cations, RO4:H2O > 1:1 |
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| mindat.org URL: | http://www.mindat.org/min-6821.html Please feel free to link to this page. |
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Type Occurrence of Bederite |
| Type Locality: | El Peñón pegmatite, El Quemado District, Nevados de Palermo, Salta, Argentina |
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Physical Properties of Bederite |
| Lustre: | Vitreous |
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| Hardness (Mohs): | 5 |
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Crystallography of Bederite |
| Crystal System: | Orthorhombic |
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Optical Data of Bederite |
| Type: | Biaxial |
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| RI values: | nα = 1.729 nβ = 1.738 nγ = 1.741 |
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| 2V: | Measured: 54° , Calculated: 58° |
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| Maximum Birefringence: | δ = 0.012
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | High |
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| Dispersion: | r < v strong |
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Chemical Properties of Bederite |
| Formula: | | NaCa | | (Mn | | ,Mg,Fe | | ) | | Mn | | (Fe | | ,Mg | | ,Al) | | [PO | | ] | | · 2H | | O |
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| Essential elements: | Ca, Fe, H, Mn, O, P |
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| All elements listed in formula: | Al, Ca, Fe, H, Mg, Mn, Na, O, P |
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Relationship of Bederite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Bederite |
| 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 Bederite |
| Reference List: | American Mineralogist: 84: 1674-1679.
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Internet Links for Bederite |
| Search Engines: |
Look for Bederite on Google
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| External Links: | Look for Bederite on WebmineralLook for Bederite on Athena MineralogyLook for Bederite on WikipediaLook for Bederite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Bederite in the Natural History Museum (London) online catalogueBederite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Buy from David K Joyce mineralsMineral Classics - Worldwide Collector Quality Minerals and GemsTop quality minerals from Kristalle of CaliforniaRare and Unusual minerals at Mineralogical Research CompanyFind Bederite on www.crystalclassics.co.ukLapis Mineral MagazinThe Arkenstone - Fine MineralsWright's Rock Shop - excellent mineral specimens since 1970DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.Buy minerals from Mineralium.comrare and unusual minerals mainly crystallizedBuy Fine Minerals from mineralsweb.com |
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Localities for Bederite |