Grape Agate aka Botryoidal Purple Chalcedony from Sukabumi, Indonesia. This is a lovely oval shaped sphere with deep purple color saturation. promotes inner stability, composure, and maturity. Grape Agate has many protective properties it encourages security and self-confidence. It allows for deep and intense levels of meditation in a short period of time. Grape Agate is a powerful intuitive stone that activates and links the crown and third eye chakras together.