mineral specimens Calcite

Descripción del producto

Net Weight:  *9.3g. Size: 尺寸 *4**7**6mm (1 inch=*5.4mm) Location: Hunan Province, China  Shipping Fee: *9.8(Airmail, ****5 business days) Product Code: *********1 Name: [Calcite] English name comes from Latin, meaning "lime"; chemical composition of calcium carbonate, the Department of "sedimentary carbonate rocks, " the main components; trigonal system; colorless or milky white, if they contain impurities that can be dyed a variety of colors ; opaque, or translucent; glass luster; Mohs hardness of ***** Than cave to form a beautiful and huge crystal colorless transparent or golden yellow, there have been significant, "refraction" phenomenon;