Hedenbergite Quartz - Mineral carving rough opal this variety is considered among

this variety is considered among the finest in the world

Approximate Weight of 1 Piece: 200g

Tiffany Stone is a complex mineral aggregate composed primarily of opalized fluorite

Bloodstone helps with circulation and any blood disorders

supposedly

Hedenbergite Quartz - Mineral carving rough opal this variety is considered amongMined from: Huanggang Mine, Chifeng City, Inner Mongolia, China Description: Hedenbergite is an iron rich member of the pyroxene mineral group, formed primarily in high temperature environments such as contact metamorphic zones and skarn deposits. The specimens from the Huanggang Mine in Chifeng City, Inner Mongolia, are particularly notable for their well formed dark green to nearly black prismatic crystals, often growing alongside minerals such as