Amethyst 3x6mm Faceted Rondelle - 15-16 Inch Lab-Made Ice Obsidian is a light

Ice Obsidian is a light brown to green to gray volcanic stone

Usually occurring in a deep red color

and even green

caused by impurities

Amethyst 3x6mm Faceted Rondelle - 15-16 Inch Lab-Made Ice Obsidian is a lightAmethyst 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