Smithsonite Crystals on Matrix | Perky Box Thumbnail Specimen | Chihuahua, Mexico | SO24 Pseudomorph there are grains of sand

there are grains of sand still wedged into one of the crevices of the specimen

Color: Clear Black

6 gr / 26x14x8 mm

Weight:  8

Smithsonite Crystals on Matrix | Perky Box Thumbnail Specimen | Chihuahua, Mexico | SO24 Pseudomorph there are grains of sandSmithsonite can occur in a variety of colors, including white, grey, blue, green, pink, brown, and yellow. Its coloration is often influenced by impurities present during its formation. The crystals can be transparent to translucent, with a vitreous to pearly luster. It commonly occurs as botryoidal (rounded, globular masses resembling a bunch of grapes) or reniform (kidney shaped) aggregates. It can also form crusts, stalactites, and stalagmites.