POLISHED BLUE CALCITE (ONYX) FOR SALE
Often sold under the name blue onyx or aquamarine onyx, this beautiful marbled, blue/caramel stone is actually calcite and not technically an onyx. It is quarried in the high mountains of Argentina at an elevation of over 17,000 feet and often used as an ornamental or decorative stone.
16 Items
($65 to $75)