often in a cuboctadral shape

Dimensions:  144x72x3 mm / 4

It forms prismatic crystals with a variety of colors including white

It has a colourless streak

Weight: Silver and Gem 7

Smithsonite Crystals on Matrix | Perky Box Thumbnail Specimen | Chihuahua, Mexico | SO24 Analcime often in a cuboctadral shapeSmithsonite 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.