Rainbow Calcita RingA freeform cabochon of rainbow calcilica anchors this ring, its banded layers of crimson, cobalt, turquoise, emerald, and ochre running across the stone like the strata of a painted desert. Every stripe tells a story, and no two stones are ever cut alike, making this piece one of one in the truest sense. The cabochon is hand bezel set in sterling silver, with the bezel curving organically around the stone to follow its natural shape. Two small 14kt