Special grade product: Grün, Gelbgrün, with some cracks and impurities, translucent, and the weight is above 50kg. First-class product: Aquamarin, light green, Gelbgrün, with some cracks and impurities, translucent, and the weight is more than 10kg. Second grade product: Aquamarin, light green, Keine Risse, a little impurity, and a block weight above 5 kg. Dritte […]
