US$ 14.28
Biotite was named in honor of the French physicist Jean-Baptiste Biot
cachanance
the stones are closer to their natural state
s Fair in Germany
Purple Fluorite 6mm Round A Grade- 15-16 Inch JUL4-DSP Biotite was named in honorFluorite 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