Columbite
Columbite（矿物名）
 | (Fe,Mn)Nb2O6(Fe,Mn)Nb₂O₆
This sample of columbite is displayed in the Smithsonian Museum of Natural History. Columbite is an oxide mineral which contains niobium and manganese with the composition (Fe,Mn)Nb2O6. The sample at left is about 14 cm across and is from Powhatan, Virginia. 这种 columbite 样本陈列在史密森尼自然历史博物馆中。columbite 是一种氧化物矿物，含有铌和锰，其化学式为 (Fe,Mn)Nb₂O₆。左侧的样本宽约14厘米，来自弗吉尼亚州的 Powhatan。
See also manganocolumbite and manganotantalite. 参见磁锰矿和磁钽矿。 |
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This sample of columbite is from Minas Gerais, Brazil. It is about 10 cm across. 这种 columbite 样本来自巴西的米纳斯吉拉斯州，直径约10厘米。
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 | This sample of columbite is about 30 cm across. It is from Governador Valadares, Minas Gerais, Brazil. 这种 columbite 样本宽约30厘米。它来自巴西巴伊亚州的Governador Valadares。
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Mindat: Columbite
Mindat: 矿物
| Minerals
矿物 |
索引
| HyperPhysics*****Geophysics
HyperPhysics ***** 地球物理学 | R Nave |
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