Buy Tree of life black agate engraved coaster today from Agate Export. It encourages rational thought, objectivity, truth and intuition, along with verbalisation of feelings. Tree of life black agate engraved coaster brings emotional balance and calms panic attacks. It enhances self-esteem, self-acceptance and self-trust. Tree of life black agate engraved coaster balances the metabolism, boosts the immune system and overcomes calcium deficiencies. third-eye chakra, is the sixth primary chakra in the body according to Hindu tradition. It is supposedly a part of the brain which can be made more powerful through meditation. Place an order now.