Amethyst Sage Agate is named for its purple color and black manganese dendrites. It is found in the Bilk Mt. range near Denio, Nevada. This stone is set in sterling silver with an oxidized top frame and a tube bail to accommodate a thick chain or neck ring. Total length – 67 mm x 38 mm wide. Weight – 30 grams. Lapidary work – John DeLong.