Alluaivite

Alluaivite is a rare mineral of the eudialyte group, with complex formula written as Na₁₉(Ca,Mn)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O. It is unique among the eudialyte group as the only titanosilicate (other representatives of the group are usually zirconosilicates). The two dual-nature minerals of the group, being both titano- and zirconosilicates, are labyrinthite and dualite. They both contain alluaivite module in their structures. Alluaivite is named after Mt. Alluaiv in Lovozero Tundry massif, Kola Peninsula, Russia, where it is found in ultra-agpaitic, hyperalkaline pegmatites.

单词	Alluaivite
释义	Alluaivite 英语百科 Alluaivite Alluaivite is a rare mineral of the eudialyte group, with complex formula written as Na₁₉(Ca,Mn)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O. It is unique among the eudialyte group as the only titanosilicate (other representatives of the group are usually zirconosilicates). The two dual-nature minerals of the group, being both titano- and zirconosilicates, are labyrinthite and dualite. They both contain alluaivite module in their structures. Alluaivite is named after Mt. Alluaiv in Lovozero Tundry massif, Kola Peninsula, Russia, where it is found in ultra-agpaitic, hyperalkaline pegmatites.
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