Special grade product: hijau, kuning-hijau, with some cracks and impurities, tembus cahaya, and the weight is above 50kg. Produk kelas satu: aquamarine, hijau muda, kuning-hijau, with some cracks and impurities, tembus cahaya, and the weight is more than 10kg. Second grade product: aquamarine, hijau muda, tidak ada retakan, a little impurity, and a block weight above 5 kg. Ketiga […]
