Mineral: Londonite on Fluor-liddicoatite
Locality: Ambatomigaby pegmatite, Ampanivana, Andrembesoa, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
Dimensions: 7 x 5.5 x 8.5 cm / main crystal: 3.3 cm

Description: Mass: 365 g MIM number:1745 Group of yellow-green crystals of Londonite developed on the side of a sharp doubly terminated liddicoatite (length 8.9 cm). The upper part of the liddicoatite is translucent with an orange-brown color, and has a green skin on its lower part. Photographer: AINU / Augustin de Valence

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