Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.
岩石学矿物学上类似的岩石，其放射性元素丰度却往往有所不同。
Mineralogically, zoisite is a member of the epidote group, the other members of which are clinozoisite, epidote perse, piemontite, and allanite.
从矿物学上讲，黝帘石是绿帘石家族的一员，绿帘石还有褐帘石等。
Changning jade, a new member of jade family, occurs in Changning county, Hunan and mineralogically it consists of diopside, very fine in grain size, homogeneous in texture, bright and hard.
常宁玉是产于湖南省常宁县的一种玉石新品种，属透辉石质玉。
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