Fluorite 13x18mm AAA Grade Oval Cabochon R0442 Blue Lace Agate is a

Blue Lace Agate is a naturally occuring soft blue agate

Weight: grams:75-90 grams

abbreviated as CZ

In rare and highly sought after specimens

Fluorite 13x18mm AAA Grade Oval Cabochon R0442 Blue Lace Agate is aFluorite 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