Black Slate from Brazil has a basic grey-black colour with a naturally rough, but relatively smooth riven surface.
Natural Cleft is a finish achieved when layered stones (usually slate or sandstone) are split, or cleft, leaving a naturally rough surface which is uneven and varied.
Note: Black Slate is a stratified stone, therefore the edges lay notched to some extent. It is also possible that the surface scales off after being cleaned a few times; this ends once the hard core of the stone has been reached.
|Finish||Riven / Cleft|
|Country of Origin||Brazil|
|Suitability||Internal Wall, External Fascia|
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