Prehnite on Epidote
Diakon, Cercle de Boufalabe, Kayes Region, Mali
Miniature, 4.2 x 3.4 x 2.7 cm

A fine, lustrous and translucent, apple green prehnite sphere measuring 3.3 cm across is nicely perched atop a matrix of lustrous, blackish green crystals of epidote, to 9 mm in length.