AAA Grandideirite set of seven is an extremely rare gemstone exuding bluish green to greenish blue hues. This gemstone is one of the ten rarest gemstones available in the world. It is a 100% natural gemstone. The gemstone shows cleavage in 2 directions with uneven fractures and elongated crystals. This gemstone ranks seven on Moh’s scale of hardness, making it an ideal addition for your gemstone collection. Oval-shaped gemstone is valuable as it offers deeply saturated neon shades. The oval-shaped gemstone is offered in 5.55 ctw., with the dimensions of 7x5mm. This gemstone offers fine cut, clarity, defined structure and balanced composition.