Herkimer Diamonds are beautiful double-terminated quartz crystals which are found mainly in Herkimer County

This is a solid iron individual meteorite classified as IAB Silicated

Its dimensions are 29x26X13mm

aragonite is the second most common polymorph of natural calcium carbonate (the most common is calcite)

Name: Calcite on Quartz

Rare Uvite Tourmaline Crystal | Natural Green with Magnesite | 3 grams | Brumado, Bahia, Brazil Dogtooth Herkimer Diamonds are beautiful double-terminatedThis is a rare Uvite tourmaline crystal from Brumado, Bahia, Brazil. Uvite is an uncommon form of Tourmaline which has different crystal formations than most other Tourmalines. This mineral was first discovered in the locality of Uva Province in Sri Lanka where the name comes from. This amazing specimen is a glassy green color and has all terminations and crystal faces. There are also magnesite inclusions and small magnesite crystals on the surface.