Chocolate jasper serves rich cocoa, caramel and cream swirls in an opaque quartz body that takes a glassy polish — comfort food for the lapidary eye, and a natural partner for warm-toned jewelry designs. Hardness around 6.5–7.Each chocolate jasper at GEMIC Institute is natural, certified by our laboratory, and photographed piece by piece — the swirl you see is the swirl you get. Unique stones; worldwide tracked shipping with our 30-day guarantee.