Hedenbergite Quartz - Mineral carving rough opal Many people are drawn to

Many people are drawn to it for its quiet

With underground access now closed and no regular new production

Approximate Size of 1 piece: 19mm x 15mm x 10mmApproximate Weight of 1 piece: 3g

this variety is considered among the finest in the world

Hedenbergite Quartz - Mineral carving rough opal Many people are drawn toMined 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