Jasper: (Hardness 7) Solid, opaque gemstone with a hardness similar to that of agate. Found in red, rose, brown, yellow, greens. This stone is traceable to ancient peoples and civilizations. Jasper is mentioned in the Bible. This is a stability stone. You can use Jasper to reduce your insecurities, fears or guilt. May also protect you from becoming too emotionally involved with people or things not good for you. All Jaspers have strengthening energy effects on your emotional nature by releasing stress.