Natural & Synthetic Gemstone Beads, Heart, Size: about 0.75~0.79 inch(19~20mm) long, 0.79 inch(20mm) wide, 0.35~0.43 inch(9~11mm) thick, hole: 0.08 inch(2mm).âPlease Note: These Beads may include Natural Tiger Eye & Green Aventurine & Rhodonite & Red Agete & Howlite & Sodalite & Synthetic Goldstone & Opalite and so on(as the picture shows). but as it is a mixed product, the stone type is delivered randomly, please refer to the actual product delivered.