Cassiterite

Locality: Xuebaoding mine, Pingwu Co., Mianyang, Sichuan, China.

This is the Cassiterite specimen, from Sichuan, China, wide around 8.5cm. Cassiterite is the mineral contain elements: Sn and O, Mohs hardness is 6-7. For this specimen, black Cassiterite formed in twin crystal shape, has bright luster, on the gray Muscovite matrix, the shape looks like a snail, very interesting!

Size: 8.5-6.5-6.5cm

NO.57KY25321CA.

More Details: 1 video and 4 pictures:

The specimen 4 pictures: