Locality type: | Quarry |
Classification |
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Species: | Columbite-(Fe) |
Formula: | Fe2+Nb2O6 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Columbite-(Fe) data |
Locality Data: | Click here to view Chedeville quarry, Ambazac, Limoges, Haute-Vienne, Nouvelle-Aquitaine, France |
Data Identifiers |
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Mindat Occurrence Record ID: | 236275 |
Long-form Identifier: | 1:3:236275:5 |
GUID (UUID V4): | 624e92ce-d44c-4dfc-a213-94ba709a8243 |
Nearest other occurrences of Columbite-(Fe) |
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8.9km (5.5 miles) | ⓘChanteloube, Razès, Bellac, Haute-Vienne, Nouvelle-Aquitaine, France |
20.4km (12.7 miles) | ⓘPuy-les-Vignes, Saint-Léonard-de-Noblat, Limoges, Haute-Vienne, Nouvelle-Aquitaine, France |
References |
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Reference Search (possible matching items) |
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| | Journal (article/letter/editorial) | Nb-Ta-Ti-bearing oxide minerals (Nb-Ta-bearing rutile, columbite-group minerals) represent the most common Nb-Ta... Tungsten-bearing columbite-(Fe), W-bearing ixiolite, wodginite and tapiolite-(Fe) are extremely rare...represented mostly by columbite-(Fe) and rarely by columbite-(Mn), with Mn/(Mn+Fe) ratio ranging from 0...0.23 to 0.94. The exceptionally rare Fe-rich, W-bearing ixiolite occurs only as inclusions in Nb-Tabearing...Mn/(Mn+Fe) ratio is 0.42–0.51, whereas the coexisting tapiolite-(Fe) has a distinctly lower Mn/(Mn+Fe) ratio |
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Chedeville quarry, Ambazac, Limoges, Haute-Vienne, Nouvelle-Aquitaine, France