Hubnerite on Matrix | 18.2 grams | Ruby Mine, San Juan Co., Colorado Schorl and maintain focus and clarity

and maintain focus and clarity

This beautiful piece is completely surrounded by a lava crust

The Shock stage is recorded at 2 and the Weathering grade is also a 2

This is a 6 piece lot of natural included quartz points

This piece displays very well showing crust all over

Hubnerite on Matrix | 18.2 grams | Ruby Mine, San Juan Co., Colorado Schorl and maintain focus and clarityHubnerite is a rare manganese tungstate mineral and the manganese dominant member of the wolframite series. It typically forms dark reddish brown to nearly black blade like crystals with a submetallic to silky luster. This dense mineral is an important tungsten ore and is commonly found in high temperature hydrothermal veins, often with quartz and fluorite. Specimens from Peru and Colorado are especially well known for their sharp, aesthetic crystal