Burbankite and Fluorite. This specimen has an exposed vug with crystals of blusih green fluorite to 0.3 cm across and a crystal of burbankite. Burbankite is a very rare carbonate species with the formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5. The crystal is 2 mm across and it also fluorescent under W UV light. 4.5 x 3.5 x 1.5 cm. Pocos de Caldes, Minas Gerais, Brazil

This is a final image, you can pin it or share it on any social network.