GENUINE STONE: Made of genuine green-agate (green onyx). Onyx is a type of Agate. METAPHYSICAL: Green Onyx is believed to be a powerful stone of strength, willpower and discipline HEART CHAKRA: Green Onyx/Agate is associated with the Heart Chakra. It is said to be able to sooth one's heart, while calming one's emotions STACKING: These rings are great for stacking or simply worn alone NATURAL VARIATION: Please allow slight natural color variation of the stone. Natural stones are unique; no two pieces will be identical Total gem weight: 3.3 carats