GeoFossils - Ruby Healing Crystal Polished
Natural Ruby is one of four ocirc;preciousouml; gemstones (including Diamond, Emerald and Sapphire) known its rarity, monetary value, and hardness (second only to Diamond). Ruby is red Corundum, an aluminum oxide mineral with chromium responsible for its rich, red color. The name comes from the Latin word rubeus, meaning ocirc;red,ouml; and until 1800 when Ruby was recognized as a variety of Corundum, red Spinels, Tourmalines, and Garnets were also believed to be Ruby. All other color varieties of Corundum are designated as Sapphire.