Africa116 - Londonite - Rhodizite Series with Tourmaline - Antsogombato, Betafo Department, Madagascar

Translucent, lemon-yellow crystals of londonite-rhodizite to 1.3 cm on matrix with crude red tourmaline crystals. The londonite-rhodizite fluoresces yellow under LW UV; areas of the matrix fluoresce a bright creamy-white. A nice example of this rare borate - londonite is the cesium-rich end member while rhodizite is potassium-rich. 5.5 x 4.8 x 4.1 cm.