This amazing gemstone is Bloodshot Iolite-Sunstone which is a unique double gem formation where the two stones have formed together. The signature characteristics are the sparkling red and orange colored Hematite platelets known as aventurescence. This listing is for Faceted Coin Beads measuring 16mm to 18mm in size with a vitreous luster, a bluish violet dichroic color with a translucent body and some visible internal and external characteristics common in Iolite and Sunstone.