The Tucson Gem and Mineral Show started as a local hobby show with eight dealers and dozens of amateur hobbyists in 1955 at an elementary school gymnasium. It grew in stature after the Smithsonian exhibited at the show in 1961. The show moved downtown with the completion of the Tucson Conve...
A strand of jet beads or a large cabochon thus weighs about 50% less than if they were made from agate, jasper, quartz, or other mineral material. This allows the beads to be worn with greater comfort and the brooch to be worn without placing as much stress or hanging awkwardly on the...
It is typically brown, and sometimes green. The metallic sheen found in Bronzite is due to schillerization, which is when iron separates in the cleavage cracks of the mineral into oxide and hydroxides. See our: Bronzite Beads Carnelian: Carnelian is a form of chalcedony and a component of ...