Amethyst 6mm Star Cut Coin A Grade - 15-16 Inch super-gemmy Tanzanite is both extremely rare

Tanzanite is both extremely rare and extremely attractive

Shears leave a clean

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica to rich stones

It was used in the Egyptian Book of the Dead

but also for industrial purposes from watch gears and scientific instruments to sandpaper and other abrasives

Amethyst 6mm Star Cut Coin A Grade - 15-16 Inch super-gemmy Tanzanite is both extremely rareAmethyst is a beautiful purple stone, known as a Gem of Fire by ancient cultures. It has been greatly sought after throughout history and was at times valued as highly as Diamond. Today, this semi to precious variety of quartz is found in many locations around the world. The presence of Manganese within the stone produces the purple hue, and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light