Mineral: Grandidierite
Locality: Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar), Madagascar
Dimensions: 3.5 x 4 x 7 cm

Description: Mass: 104 g MIM number:1883 Group of crystals in subparallel formation resembling a cathedral. The crystals are translucent, of beautiful blue-green color and are well terminated, which is uncommon for this species: The sample was found in kaolin (of which traces remain at the base) and not trapped in solid rock as were most of the specimens removed from this find, which do not have any terminations. Photographer: AINU / Augustin de Valence

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