Béhierite

Béhierite is a very rare mineral, a natural tantalum borate of the formula (Ta,Nb)BO₄. Béhierite is also one of the most simple tantalum minerals. It contains simple tetrahedral borate anions, instead of more common among minerals, planar BO₃ groups. It forms a solid solution with its niobium-analogue, schiavinatoite. Both have zircon-type structure (tetragonal, space group I4₁/amd) and are found in pegmatites. Béhierite and holtite are minerals with essential tantalum and boron.

单词	Behierite
释义	Behierite 英语百科 Béhierite Béhierite is a very rare mineral, a natural tantalum borate of the formula (Ta,Nb)BO₄. Béhierite is also one of the most simple tantalum minerals. It contains simple tetrahedral borate anions, instead of more common among minerals, planar BO₃ groups. It forms a solid solution with its niobium-analogue, schiavinatoite. Both have zircon-type structure (tetragonal, space group I4₁/amd) and are found in pegmatites. Béhierite and holtite are minerals with essential tantalum and boron.
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Behierite

Béhierite