Special grade product: yeşil, sarı-yeşil, with some cracks and impurities, yarı saydam, and the weight is above 50kg. First-class product: akuamarin, açık yeşil, sarı-yeşil, with some cracks and impurities, yarı saydam, and the weight is more than 10kg. Second grade product: akuamarin, açık yeşil, çatlak yok, a little impurity, and a block weight above 5 kilogram. Üçüncü […]
