Fluorite 10mm Round - 15-16 Inch (AAA) mustard yellow and cream tones

mustard yellow and cream tones and can be confused for Mookaite

it is a relative newcomer to the gem market

and short prismatic crystals

orange and rust are due to traces of hematite within the stone

Fluorite 10mm Round - 15-16 Inch (AAA) mustard yellow and cream tonesFluorite 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