Cubic and crystallized pyrite matrix with Marmatite crystal cluster

Color: Bi-Color Yellow

5 mm in length and each of them have multiple terminated points

Color: Clear White with Golden Needles

Its dimensions are 42x21x10 mm

Hubnerite on Matrix | 18.2 grams | Ruby Mine, San Juan Co., Colorado Lunar Cubic and crystallized pyrite matrixHubnerite 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