Gemstone Cabochons, Drop, Mixed Stone, Size: about 10mm wide, 14mm long, 4mm thick.âPlease Note: These gemstones may include Natural Amethyst, Rose Quartz, Green Aventurine, Tiger Eye, Synthetic Turquoise 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.