It forms prismatic crystals with a variety of colors including white

Dimensions:  144x72x3 mm / 4

It has a colourless streak

Each stone is beautiful and unique

This specimen has groups of small apple-green

Smithsonite Crystals on Matrix | Perky Box Thumbnail Specimen | Chihuahua, Mexico | SO24 Analcime It forms prismatic crystals withSmithsonite 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.