Fluorite 12mm AAA Grade Coin Cabochon New Gemstones Von Prehn discovered the stone

Von Prehn discovered the stone in South Africa in 1774

It occurs with wave-like bands of charcoal gray

The most precious Fire Opal has flashes of iridescence and is known as Precious Fire Opal or “Firmament Stone

and due to its unique composition

It can range in color from pale pink to deep rose or even rusty red tones depending on the concentration of Manganese

Fluorite 12mm AAA Grade Coin Cabochon New Gemstones Von Prehn discovered the stoneFluorite 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