Fluorite Banded 4mm Round - 8-Inch 6x16-8x38mm periwinkle

periwinkle

cacao de nance

but those varieties are transparent

whose color often caused ancient jewelers to confuse it with Emerald

Fluorite Banded 4mm Round - 8-Inch 6x16-8x38mm periwinkleFluorite 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 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