Gemstone Cabochons, Mixed Stone, Oval, 20x15x6mmâPlease Note: These cabochons may include Natural Amethyst, Red Jasper, Green Aventurine, Picture Jasper, Synthetic Turquoise 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.The gemstone cabochon with polished and charming appearance. Great for everyone's jewelry, use these cabochons with oval components on a chain or as a oval design. A quick and easy solution to hand-fabricated jewelry styles.