E♥Tourmaline&Colorful Minerals

Tourmaline is a complex cyclic borosilicate mineral occurring in pegmatite, hydrothermal and metamorphic environments. This trigonal mineral forms vertically striated long prismatic crystals with triangular fractures. Our natural untreated specimens from top origins including Brazil, Afghanistan and Xinjiang feature glassy luster, high hardness and unique piezoelectricity. Popular for gorgeous diverse hues and intact crystal forms, tourmaline works perfectly for home display, geological teaching, spiritual meditation and premium mineral collection, with each crystal boasting exclusive natural growth features.