Calcite with quartz from Huanggang Mine, Inner Mongolia, China. The pictured specimen is 7cm tall. The quartz at the center of the stacked calcite disks is better exposed in some of the specimens that they have at the show. Photo credit: Jeffrey A. S
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.