大家在查： quartz tube quartz watch quartzite jade Quasi equilibrium process Quasi Public Good Quartz sand filter media quartz sand Quartz Rutilated quartz porphyry quartz optical fiber

Quartz syenite

Quartz syenite

工程类用语您所需要的一切尽在中国机械CAD论坛 ... quartz sand 石英沙 quartz syenite 石英正长岩 quay 埠头；顺岸式码头 ...

岩石正名为正长岩石英(Quartz Syenite)，即二长岩(Monzonite)。同類型的岩石於大屿山，南岸的银矿湾一带都有分布。