Golden Obsidian 10mm Round - 15-16 Inch Angelite Ruby Zoisite occurs naturally when

Ruby Zoisite occurs naturally when small Ruby crystals become embedded within Zoisite

Generally this material is used for transistors and heat sinks and only recently has been used for jewelry and healing

inclusions of Goethite or Hematite refract the light between the layers of the crystal

the third to hardest common natural gemstone

Golden Obsidian 10mm Round - 15-16 Inch Angelite Ruby Zoisite occurs naturally whenGolden Obsidian is a naturally occurring volcanic glass, shiny black with a golden sheen. Obsidian is produced when lava erupts from a volcano and cools rapidly with minimal crystal growth. It is sometimes used for scalpel blades in cardiac surgery, as Obsidian can be formed into a blade many times sharper than steel surgical blades.