常见例句Goethite and Hematite inclusions give the gem a red or grey glitter or sheen.针铁矿和赤铁矿内含物会产生红或灰色光。Similar to Emeralds, inclusions are a common feature in Alexandrite.如祖母绿宝石一样，内含物是亚历山大石的普遍特征。 返回 Inclusions