Stilbite, Epidote, & Prehnite Stilbite, Epidote, & Prehnite Stilbite, Epidote, & Prehnite from the Kayes Region of Mali, Africa. This piece is approx. 11 1/4" X 7" X 5 1/2"$650.00 $650.00 Post navigationPrevious post: Vanadinite & BariteNext post: Galena