This piece shows a nice polished face and is a desirable size perfect to show in class or at a science show

Weight: Silver and Gem 7

Dimensions:  144x72x3 mm / 4

It has a colourless streak

often in a cuboctadral shape

Smithsonite Crystals on Matrix | Perky Box Thumbnail Specimen | Chihuahua, Mexico | SO24 Analcime This piece shows a niceSmithsonite 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.