Gem Tremolite Crystal from Mwajanga, Tanzania – 3.01 grams China This beautiful vibrant blue aragonite

This beautiful vibrant blue aragonite specimen

a typical feature of tourmaline crystals

Measurement: 72mm x 60mm x 39mm

Weight: 21

Locality: Cruzeiro Mine

Gem Tremolite Crystal from Mwajanga, Tanzania – 3.01 grams China This beautiful vibrant blue aragoniteTranslucent green tremolite crystal showing a pleasing gradient from deeper forest green to lighter, more transparent tones. The crystal exhibits a well developed prismatic habit with strong vertical striations and natural terminations, giving it a refined, gemmy appearance. Tremolite is part of the amphibole group and is less commonly seen in gem quality crystals like this. Its color is typically influenced by iron content, and fine crystals from