People usually call the inclusions in gems “impurities.” 그러므로, the inclusions in gems are also a factor in evaluating the quality of gems; 예를 들어, in the quality evaluation of diamonds, an important criterion is “명쾌함”, 그게, the cleanliness of the interior of the gem. 일반적으로 말하면, the less impurities in the gem, 그만큼 […]
