Chocolate Moonstone Faceted Bar .925 Silver Bezel Pendant 1 ring Charm. A calibrated Chocolate Moonstone exhibits a chocolate brown body with good brilliance and is opaque with a vitreous luster on a well made symmetrical body showing schiller .925 Silver Bezel Pendant 1 ring Charm. A calibrated Chocolate Moonstone exhibits a chocolate brown body with good brilliance and is opaque with a vitreous luster on a well made symmetrical body showing schiller.