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Faceting Gem Mountain Sapphire Mine

aggregate stone sizes in sri lanka

The weight of the finished gemstone verses the weight of the rough stone is referred to as “yield” The yield of the finished gemstone is totally dependent upon the shape and size of the rough stone Irregular shapes and smaller sizes have a much lower yield The average yield of 3 and 35 millimeter cut stones is only 18 When we are cutting very small 2 mm and smaller accent stones for our own use in building

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