柱状的

Prismatic crystals of Natrolite on Analcime, forming an interesting cluster, Together with Hematite included Thomsonite.

柱状钠沸石在方沸石上,有著像是放射状.内含赤铁矿而成红色杆沸石.

Towering in close symmetry, these basalt columns near Fingal’s Cave form the base of the Scottish island of Staffa.

极端地球图片。高耸密切称性，这些玄武岩园柱状物附近Fingal洞穴形式基础上苏格兰岛Staffa 。