八面体

Crystal Habits include the cube, octahedron and pyritohedron (a dodecahedron with pentagonal faces) and crystals with combinations of these forms.

晶体形态常呈立方体、五角十二面体，较少呈八面体，或集合晶簇。

The synthesis of fluorine substituted saponite was explored and suceeded under mild temperature hydrothermally.Microwave-hydrothermal synthesis of sapontie was performed first time.

对于层状材料微波水热快速合成进行了首次探，发现可以在可合成条件下得到具有三八面体结构皂石。