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Yuanfuliite: (Mg,Fe++)(Fe+++,Al,Mg,Ti,Fe++)(BO3)O
Comments: Black inclusions of yuanfuliite in matrix. Location: Tayeznoye Deposit, 100 km S. of Aldan, Yakutia, Russia. Scale: Specimen Size 1.2x2.2 cm. © Diederik Visser