R15-01, Cassiterite, $36 (sold )
A black shining crystal from pegmatite, associated with Mica. Location: Pingwu, Sichuan, China
R15-02, Cassiterite, 3 x 2 x 2 cm, $35 (sold )
A cluster of Cassiterite crystals, strong luster, 4 - 10 mm, with Mica. Location: Pingwu, Sichuan, China