Slate
Slate is a metamorphic stone that is formed of layers. Due to these layers or planes it can be easily split into thin plates. It is commonly grey, but some also contain iron-oxide which provides a yellow-brown colouring.
Slate is a metamorphic stone that is formed of layers. Due to these layers or planes it can be easily split into thin plates. It is commonly grey, but some also contain iron-oxide which provides a yellow-brown colouring.