Classification of Faheyite |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
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| Strunz 8th edition ID: | 7/C.02-10
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| Nickel-Strunz 10th (pending) edition ID: | 8.CA.15
8 : PHOSPHATES, ARSENATES, VANADATES C : Phosphates without additional anions, with H2O A : With small and large/medium cations |
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| Dana 8th edition ID: | 40.5.3.1
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES 5 : AXO4·xH2O |
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| Hey's CIM Ref.: | 19.3.13
19 : Phosphates 3 : Phosphates of Be and Mg |
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| mindat.org URL: | http://www.mindat.org/min-1435.html Please feel free to link to this page. |
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Type Occurrence of Faheyite |
| Type Locality: | Sapucaia Mine, Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil |
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| Year of Discovery: | 1952 |
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Physical Properties of Faheyite |
| Colour: | White, bluish-white, brownish-white |
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| Cleavage: | Perfect Perfect |
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Crystallography of Faheyite |
| Crystal System: | Hexagonal |
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| Cell Parameters: | a = 9.43Å, c = 16Å
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| Ratio: | a:c = 1 : 1.697 |
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| Unit Cell Volume: | V 1,232.18 ų (Calculated from Unit Cell) |
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Optical Data of Faheyite |
| Type: | Uniaxial (+) |
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| RI values: | nω = 1.631 nε = 1.652 |
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| Maximum Birefringence: | δ = 0.021
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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Chemical Properties of Faheyite |
| Formula: | |
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| Essential elements: | Be, Fe, H, Mn, O, P |
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| All elements listed in formula: | Be, Fe, H, Mg, Mn, Na, O, P |
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| Common Impurities: | Na |
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Relationship of Faheyite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Faheyite |
| Synonyms: | |
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| German names: | |
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| Spanish names: | |
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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 Faheyite |
| Reference List: | Lindberg & Murata (1953): American Mineralogist: 38: 263-270, 349.
American Mineralogist (1964): 49: 395.
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Internet Links for Faheyite |
| Search Engines: |
Look for Faheyite on Google
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| External Links: | Look for Faheyite on WebmineralLook for Faheyite on Athena MineralogyLook for Faheyite on WikipediaLook for Faheyite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Faheyite in the Natural History Museum (London) online catalogueFaheyite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Fine Minerals from Dan Weinrich MineralsWendel Minerals - Auktion & ShopBuy fine minerals and gemstones from Pala InternationalBuy from David K Joyce mineralsTop quality minerals from Kristalle of CaliforniaLapis Mineral MagazinRare and Unusual minerals at Mineralogical Research CompanyThe Arkenstone - Fine MineralsSearch for Faheyite on minvision.comWright's Rock Shop - excellent mineral specimens since 1970e-Rocks - Mineral Auctions and SalesSearch for Faheyite at Thames Valley Minerals |
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| Jobs: | Mining & Geology Jobs |
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Localities for Faheyite |