Ethiopian opal is still a new gemstone. Ethiopian opal is quite unique and different from more common Australian and Mexican opal. Not many people know about this opal yet. I am a gem cutter and have worked.
Calcite with quartz from Huanggang Mine, Inner Mongolia, China. The pictured specimen is 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.
Hey, I’m Emerald! May’s Birthstone. Emeralds in antiquity were mined by the Egyptians and in India and Austria. The Gachala Emerald is one of the largest gem emeralds in the world, at 858 carats g). This stone was found in 1967 at La Vega de San Juan