通过对矿石类型、矿石结构构造、矿石矿物成分及电气石的矿物学特征、物理化学特征研究，详细论述了下连家电气石矿的矿石质量情况；
In order to mate more people know this mineral resource, the paper discussed geological characteristics and ore—forming mechanism of tourmalinite in Xialianjia of west Shandong in detail.
通过对矿石类型、矿石结构构造、矿石矿物成分及电气石的矿物学特征、物理化学特征研究，详细论述了下连家电气石矿的矿石质量情况；
In order to mate more people know this mineral resource, the paper discussed geological characteristics and ore—forming mechanism of tourmalinite in Xialianjia of west Shandong in detail.
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