Amethyst 12mm Round 15-16 Inch Eagle Eye a form of silica with

a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz

or color-enhanced

It is named for the Amazon River in Brazil

Moonstone is said to increase intuition

Amethyst 12mm Round 15-16 Inch Eagle Eye a form of silica withAmethyst 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 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