Fluorite is a calcium fluoride crystal with a hardness of 4. Its growth pattern is cubic or octahedral and it occurs in hydrothermal veins, often is association with minerals such as quartz, calcite and barite.
It can be found in a wide range of colors including colorless, green, purple, white, yellow, red, pink and black. Often multiple colors appear in the same specimen.
Fluorite has lent its name to the property of fluorescence, the display of vivid glowing colors under ultraviolet light. Important fluorite deposited have been found in germany, england, china, argentina and the usa. This item is made of fluorite.