Green Opal CLEANSING | TRANSITION | ENERGIZING Green Opal helps open and cleanse the Heart Chakra. This allows old wounds and heartache to heal. It also promoted imagination and creativity, and is great to keep nearby when working on creative projects. This listing is for ONE (1) Green Opal 20mm Heart. Approximate weight: .1 -.16oz Approximate dimensions: (20mm) .7" x.7" x .2" Please note, stones are natural and WILL vary in precise size, shape, color, pattern, etc., and may not exactly match photo.