Classification of Magnesiofoitite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 8/E.19-15
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| Nickel-Strunz 10th (pending) edition ID: | 9.CK.05
9 : SILICATES (Germanates) C : Cyclosilicates K : [Si6O18]12- 6-membered single rings, with insular complex anions |
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| Dana 7th edition ID: | 61.3.1.2 |
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| mindat.org URL: | http://www.mindat.org/min-7162.html Please feel free to link to this page. |
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Type Occurrence of Magnesiofoitite |
| Type Locality: | Kyonosawa, Mitomi-mura, Yamanashi prefecture, Chubu region, Honshu Island, Japan |
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Physical Properties of Magnesiofoitite |
| Lustre: | Earthy |
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| Colour: | Pale bluish-grey |
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| Streak: | Not reported. |
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| Hardness (Mohs): | 7 |
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Crystallography of Magnesiofoitite |
| Crystal System: | Trigonal |
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Optical Data of Magnesiofoitite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 1.650 nε = 1.624 |
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| Maximum Birefringence: | δ = 0.026
 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 Magnesiofoitite |
| Formula: | | [ ][Mg | | (Al,Fe | | )][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
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| Essential elements: | Al, B, H, Mg, O, Si |
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| All elements listed in formula: | Al, B, Fe, H, Mg, O, Si |
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Relationship of Magnesiofoitite to other Species |
| Member of: | Tourmaline Group |
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| Related Minerals - Nickel-Strunz Grouping): | | 9.CK.05 | Buergerite | | [Na][Fe | | ][Al | | ][O | | |F|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Chromdravite | | [Na][Mg | | ][(Cr | | ,Fe | | ) | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Dravite | | [Na][Mg | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Elbaite | | [Na][(Li,Al) | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Feruvite | | [Ca][(Fe | | ,Mg) | | ][MgAl | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Foitite | | [ ][Fe | | (Al,Fe | | )][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Liddicoatite | | [Ca][Li | | Al][Al | | ][(OH) | | |F|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Olenite | | ([ ],Na)[(Al,Li) | | ][Al | | ][(O,OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Povondraite | | [Na][Fe | | ][Fe | | ][O | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Schorl | | [Na][Fe | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Uvite | | [Ca][(Mg,Fe | | ) | | ][MgAl | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Rossmanite | | [ ][LiAl | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Vanadiumdravite | | [Na][Mg | | ][V | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 9.CK.05 | Oxy-Dravite | | Na (MgAl | | )(MgAl | | )Si | | O | | (BO | | ) | | (OH) | | O |
| | 9.CK.05 | Oxy-rossmanite | | [ ][LiAl | | ]Al | | (BO | | ) | | [Si | | O | | ](OH) | | (O) |
| | 9.CK.10 | Abenakiite-(Ce) | | | 9.CK.15 | Scawtite | | | 9.CK.20 | Steenstrupine-(Ce) | | Na | | Mn | | (Fe | | ,Mn | | ) | | Ce | | (Zr,Th)[(OH) | | |HPO | | |(PO | | ) | | |(Si | | O | | ) | | ]·2H | | O |
| | 9.CK.20 | Thorosteenstrupine | |
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| Related Minerals - Dana Grouping): | | 61.3.1.1 | Foitite | | [ ][Fe | | (Al,Fe | | )][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.3 | Rossmanite | | [ ][LiAl | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.4 | Liddicoatite | | [Ca][Li | | Al][Al | | ][(OH) | | |F|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.5 | Uvite | | [Ca][(Mg,Fe | | ) | | ][MgAl | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.6 | Feruvite | | [Ca][(Fe | | ,Mg) | | ][MgAl | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.7 | Buergerite | | [Na][Fe | | ][Al | | ][O | | |F|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.8 | Povondraite | | [Na][Fe | | ][Fe | | ][O | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.9 | Olenite | | ([ ],Na)[(Al,Li) | | ][Al | | ][(O,OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.10 | Elbaite | | [Na][(Li,Al) | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.11 | Dravite | | [Na][Mg | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.12 | Schorl | | [Na][Fe | | ][Al | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.13 | Chromdravite | | [Na][Mg | | ][(Cr | | ,Fe | | ) | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
| | 61.3.1.14 | Vanadiumdravite | | [Na][Mg | | ][V | | ][(OH) | | |OH|(BO | | ) | | |Si | | O | | ] |
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Other Names for Magnesiofoitite |
| Synonyms: | |
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| German names: | |
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| Japanese 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 Magnesiofoitite |
| Reference List: | Hawthorne, F.C., Selway, J.B., Kato, A., Matsubara, S., Shimizu, M., Grice, J.D., Vajdak, J. (1999) Magnesiofoitite, _(Mg2Al)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline. Canadian Mineralogist: 37: 1439-1443.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
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Internet Links for Magnesiofoitite |
| Search Engines: |
Look for Magnesiofoitite on Google
Look for Magnesiofoitite images on Google |
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| External Links: | Look for Magnesiofoitite on WebmineralLook for Magnesiofoitite on Athena MineralogyLook for Magnesiofoitite on WikipediaLook for Magnesiofoitite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Magnesiofoitite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | e-Rocks - Mineral Auctions and SalesWright's Rock Shop - excellent mineral specimens since 1970Find Magnesiofoitite on www.crystalclassics.co.ukHigh-end worldwide specimens & outstanding customer serviceBuy from David K Joyce mineralsFabre Minerals - search for Magnesiofoitite specimensTop quality minerals from Kristalle of CaliforniaSearch for Magnesiofoitite at Thames Valley Mineralsrare and unusual minerals mainly crystallizedFine Minerals from Dan Weinrich MineralsWendel Minerals - Auktion & ShopThe Arkenstone - Fine Minerals |
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| Jobs: | Mining & Geology Jobs |
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Localities for Magnesiofoitite |
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