phantomquartz: Rare “Pinapple” Opal “Opal Pseudomorphs are created by the deposition of opal in casts (molds) of fossil bone, teeth, shell, belemnoids (ancient relatives of cuttlefish), crinoids (sea lillies), wood, fir cones and even skeletons
tags: In lust we trust.,
from: https://xanibby.tumblr.com/post/49506830023