Amethyst 9x13-12x16mm Top Drill Irregular Flat Drop - 15-16 Inch R0712 the second-hardest mineral next to

the second-hardest mineral next to diamond

but metals like chromium and vanadium give it its green color

which make the shells attractive as decorative objects

typically of brown or black

Amethyst 9x13-12x16mm Top Drill Irregular Flat Drop - 15-16 Inch R0712 the second-hardest mineral next toAmethyst 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