Calcite

Locality: Daguangshan Iron Mine, Daye, Huangshi, China.

Size: 10.5-9-3cm

This mineral specimen which shimmering with colorful metallic luster, looks like a pile of metal coins, from Daye, Hubei, China, wide around 10cm. We analyzed it and found that the specimen is composed of many sheet-like Calcite which surface be covered by a layer of Pyrite. Due to the thin oxide layer on the surface of Pyrite, the light interferes with the thin film, resulting in such a rich and colorful color! A very beautiful mineral specimen!

NO.20240507FJ22KJ.

More Details: 1 video and 4 pictures:

The specimen 4 pictures: