Copper Opal Pure fluorite is clear

Pure fluorite is clear

One of the most widely recognized and unmistakable minerals

The word copper originates from the latin for the island of Cyprus

and as a precious metal for thousands of years

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

Copper Opal Pure fluorite is clearA 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