Vivianite

This specimen found in Brazil consists of dark green vivianite crystals with a natural crystal structure. The crystals formed in oxygen-poor environments where iron and phosphate were present. Due to natural oxidation, vivianite crystals can darken or turn blue-green over time. The shiny crystals and deep color give the specimen a striking appearance. A special collectible for lovers of rare minerals. This mineral measures 25cm in height and weighs 1653.78g.