Hematite is an iron oxide and one of the few gemstones with a metallic luster. When tumbled it can have the look of polished steel. Hematite is black to steel...
Blue Chalcedony is a naturally occurring soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystalline structure that incorporates Moganite along...
Amber is a yellow, brown or orange organic gem, neither a crystal nor a mineral. It is a product of nature, the fossilized resin of prehistoric pine trees. A mixture...