Special grade product: Зелено, жълто-зелен, with some cracks and impurities, полупрозрачен, and the weight is above 50kg. First-class product: Аквамарин, Светло зелено, жълто-зелен, with some cracks and impurities, полупрозрачен, and the weight is more than 10kg. Second grade product: Аквамарин, Светло зелено, no cracks, a little impurity, and a block weight above 5 кг. Трето […]
