basalt cast stone 玄武岩铸石
The facades are a combination of basalt stone, thermo ash and glass.
立面结合了玄武岩、热灰和玻璃。
As an example, Jeju Island has a bold statement of volcanic basalt stone walls.
举例来看，济州岛有一个陡峭的火山玄武岩石头墙。
This is a Natural basalt stone with a homogeneous structure and some vacuolar porosity with a high feldspar content(around 75%).
玄武岩类天然石材，结构统一，并有一些孔隙。
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