Natural Mixed Gemstone Beads, Cat Head Shape, Size: about 13~15.5mm wide, 14~16.5mm long, 7.5~10mm thick, hole: 1.2~1.6mm.âPlease Note: These beads may include Natural Green Aventurine & Amethyst & Golden Obsidian & Tiger Eye & Rose Quartz & Fluorite 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.