Londonite, Tourmaline
Thumbnail, 2.6 x 1.8 x 1.5 cm
Ambalabe pegmatite, Manapa pegmatite Field, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
This specimen shows a very well defined, sharp, glassy, translucent, crystal group of Londonite measuring 8 mm across very aesthetically perched along the side of a black tourmaline crystal. A very attractive and difficult to find association specimen. 2.6 x 1.8 x 1.5cm