Check out this wild Crazy Crystal Geode Rare Crown of Silver Psilomelane Agate Pendant in Sterling Silver! Psilomelane is a mix of manganese and agate that looks like malachite, but with a silvery-black sheen! Don't miss out - add it to your cart now! Our gallery has all kinds of gems, but hurry - pieces like this one can be gone in a flash! This Psilomelane from the Crown of Silver mine is the talk of the town with its dazzling designs and glimmering luster.