Fluorite 15mm AAA Grade Coin Cabochon Epidotized Granite and yttrium

and yttrium

The word "beryl" is derived from the Greek beryllos

"water web" matrix

” It is chemically identical to Granite

An aluminum silicate mineral

Fluorite 15mm AAA Grade Coin Cabochon Epidotized Granite and yttriumFluorite is a luminous, soft and glassy stone, sometimes referred to as the most colorful mineral in the world. It is one of the most sought to after minerals among gem and mineral collectors, second only to Quartz. The term fluorescent was inspired by Fluorite, one of the first fluorescent minerals ever studied. It is frequently fluorescent under ultraviolet light, and this phenomenon is thought to be due to impurities of yttrium or organic matter