Special grade product: yeşil, yellow-green, with some cracks and impurities, translucent, and the weight is above 50kg. First-class product: akuamarin, açık yeşil, yellow-green, with some cracks and impurities, translucent, and the weight is more than 10kg. Second grade product: akuamarin, açık yeşil, no cracks, a little impurity, and a block weight above 5 kilogram. Third […]
