Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other form being the mineral calcite). It is formed by biological and physical processes, including precipitation from marine
fire opal. Highly sought after as a healing gemstone. Stimulates sexuality. Also strengthens the immune system and stabilizes circulation of the blood. If used to often the stone will become cloudy. Keep fire opal in a glass of water so it will const
Paraiba tourmaline is a rare copper-bearing gem with a vivid neon blue color. First found in Brazil in 1989, similar material has since been found in Africa.