This product is a lot of 5 natural chrysocolla malachite cabochon gemstones, each weighing between 154 and 186 carats. The gemstones are bi-color/multicolor with an opaque transparency, sourced from South Africa. They are polished and have a cabochon shape, with dimensions ranging from 23 mm to 27 mm in length, 13 mm to 26 mm in width, and 4 mm to 6 mm in depth. These gemstones are eye clean and of natural creation, making them ideal for jewelry and watch making.