Description | Smithsonite, ZnCO3 (zinc carbonate) is a distinctive carbonate mineral. The apple green to blue-green color is probably smithsonite's most well known color, but it is its purple to lavender color that is probably its most sought after hue. Smithsonite also can be yellow, white, tan, brown, blue, orange, peach, colorless, pink and red. This sample is about 8 cm across. |