Classification of Tantalaeschynite-(Y) |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 4/D.21-80
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| Nickel-Strunz 10th (pending) edition ID: | 4.DF.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates) D : Metal: Oxygen = 1:2 and similar F : With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra |
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| Dana 8th edition ID: | 8.3.6.4
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM 3 : AB2O6 |
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| Hey's CIM Ref.: | 18.2.18
18 : Niobates and Tantalates 2 : Niobates and tantalates containing rare earths but not U |
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| mindat.org URL: | http://www.mindat.org/min-3881.html Please feel free to link to this page. |
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Type Occurrence of Tantalaeschynite-(Y) |
| Type Locality: | Raposa Pegmatite, São José do Sabugi, Paraíba, Northeast Region, Brazil |
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Physical Properties of Tantalaeschynite-(Y) |
| Lustre: | Resinous |
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| Colour: | brownish black, black |
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| Streak: | yellowish brown |
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| Hardness (Mohs): | 5½ - 6 |
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| Cleavage: | None Observed |
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Crystallography of Tantalaeschynite-(Y) |
| Crystal System: | Orthorhombic |
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Chemical Properties of Tantalaeschynite-(Y) |
| Formula: | |
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| Essential elements: | O, Ta, Y |
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| All elements listed in formula: | Ca, Ce, Nb, O, Ta, Ti, Y |
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Relationship of Tantalaeschynite-(Y) to other Species |
| Series: | Forms a series with Aeschynite-(Y) (see here) |
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| Related Minerals - Nickel-Strunz Grouping): | | 4.DF.05 | Aeschynite-(Ce) | | (Ce,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
| | 4.DF.05 | Aeschynite-(Nd) | | | 4.DF.05 | Aeschynite-(Y) | | (Y,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
| | 4.DF.05 | Nioboaeschynite-(Ce) | | | 4.DF.05 | Niobo-aeschynite-(Nd) | | | 4.DF.05 | Nioboaeschynite-(Y) | | (Y,Ce,Nd)(Nb,Ta,Ti,Fe) | | (O,OH) | | |
| | 4.DF.05 | Rynersonite | | | 4.DF.05 | Vigezzite | | | 4.DF.10 | Changbaiite | | | 4.DF.15 | Murataite-(Y) | | (Na,Y) | | (Zn,Fe) | | (Ti,Nb) | | O | | (F,OH) | | |
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| Related Minerals - Hey's Index Grouping: | | 18.2.1 | Fergusonite-(Y) | | | 18.2.2 | β-Fergusonite-(Y) | | | 18.2.3 | Fergusonite-(Ce) | | | 18.2.4 | β-Fergusonite-(Ce) | | | 18.2.5 | Fergusonite-(Nd) | | | 18.2.6 | β-Fergusonite-(Nd) | | | 18.2.7 | Formanite-(Y) | | | 18.2.8 | Pyrochlore | | | 18.2.9 | Ceriopyrochlore-(Ce) | | | 18.2.10 | Strontiopyrochlore | | | 18.2.11 | Loparite-(Ce) | | (Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O | | |
| | 18.2.12 | Fersmite | | (Ca,Ce,Na)(Nb,Ta,Ti) | | (O,OH,F) | | |
| | 18.2.13 | Aeschynite-(Ce) | | (Ce,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
| | 18.2.14 | Aeschynite-(Nd) | | | 18.2.15 | Aeschynite-(Y) | | (Y,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
| | 18.2.16 | Nioboaeschynite-(Ce) | | | 18.2.17 | Niobo-aeschynite-(Nd) | | | 18.2.19 | Vigezzite | | | 18.2.20 | Murataite-(Y) | | (Na,Y) | | (Zn,Fe) | | (Ti,Nb) | | O | | (F,OH) | | |
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Other Names for Tantalaeschynite-(Y) |
| German 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 Tantalaeschynite-(Y) |
| Reference List: | Mineralogical Magazine (1974): 39: 571-576.
American Mineralogist (1974): 59: 1331.
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Internet Links for Tantalaeschynite-(Y) |
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| External Links: | Look for Tantalaeschynite-(Y) on WebmineralLook for Tantalaeschynite-(Y) on Athena MineralogyLook for Tantalaeschynite-(Y) on WikipediaLook for Tantalaeschynite-(Y) on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Tantalaeschynite-(Y) in the Natural History Museum (London) online catalogueTantalaeschynite-(Y) details from Handbook of Mineralogy (PDF) |
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Localities for Tantalaeschynite-(Y) |