Mineral: Dioptase with Fornacite
Locality: Democratic Republic of the Congo (Zaire)
Dimensions: 11,5 x 5,0 x 11,5 cm

Description: Main crystal size: 3,0 cm Ntola (?), Congo Buckle of intact crystals in the form of an arch with two small areas of attachment (where the specimen had developed). The crystals are sprinkled on a face of spherules of brownish-green fornacite , and some spherules are even included in the dioptase crystals and can be made out thanks to transparency under strong light. MIM number 1254 Photographer: Augustin de Valence (Aïnu)

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