rhombohedron

rhombohedron

1. Keywords rock mass;main structural planes;rhombohedron;

岩体;主结构面;菱形六面体;

2. calcite rhombohedron

方解石菱形体

3. 79. Quartz is commonly found as a six-sided, prism-shaped crystal topped by pyramid-like form, while calcite usually shows a crystal form of rhombohedron.

石英通常呈六方柱，顶上带有双锥的晶形，而方解石却常以菱形六面体形式出现。

4. Keywords formation mechanism of particles;morphology and size control;nickel and cobalt oxalates;rhombohedron and fibre morphologies;

颗粒形成机理;形貌与粒度控制;镍钴草酸盐;菱柱状与纤维状形貌;