Pietersite has been called the Tempest Stone for its colors of deep blue and gray with metallic gold and flashes of brilliant chatoyancy as it catc...

Blue Lace Agate is a naturally occuring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or br...

Malachite is a copper carbonate with a bright green color and dark green banding. Usually found near copper deposits, it is formed through the comb...