Mineral: Thortveitite
Locality: Befanamo pegmatite, Anjozorobe District, Analamanga Region, Antananarivo Province, Madagascar
Dimensions: 7,0 x 4,0 x 8,0 cm
Description: Main crystal size : 5,2 cm
Group of somewhat well terminated, greenish crystals on a splinter of quartz
MIM number 746
Photographer : Augustin de Valence (Ainu)
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