Excel Malachite Sphere Ball Congo Crystal Polished Green Chrysocolla Cuprite Peru Natural Ball Quartz Turquoise 2.5" Good Polished and Natural Carving Semi Precious Stone from Excel International. Size : 2.5'' Approx. and Weight : 400 GR Approx.(No Stand included). Gorgeous Banded MALACHITE Sphere. Malachite amplifies energies of all kinds, both positive and negative. Use Malachite with the Heart Chakra to bring balance and fidelity to relationships with other people.