Copper Opal and as a precious metal

and as a precious metal for thousands of years

The name fluorite comes from its use as a flux

Pure fluorite is clear

It is a relatively soft mineral

but most specimens have vivid color due to various impurities and are often fluorescent

Copper Opal and as a precious metalA widespread and industrially important mineral, copper has been used by humans as ornamentation, tools, and as a precious metal for thousands of years. The word copper originates from the latin for the island of Cyprus, where early very productive copper mines supplied much of the ancient world with the material. Copper is a so called native metal, which means it naturally occurs in its metallic form. Natural copper is relatively soft and often found