This slate from Africa has a brown to black base color with a top layer of oranges, reds and yellows. It is a hard, dense material with medium cleft surface. Interior and exterior use. 
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This slate from Africa has a tan to brown base color with a top layer of orange, yellow and peach colors. It is a hard, dense material with smooth to medium cleft surface. Interior and exterior use. 
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This slate from Africa has a black base color with a light top layer of silvery fleck. It is a hard, dense material with little to average cleft. 
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This slate from Africa has a black base color with a light top layer of silver, peach and pink colors. It is a hard, dense material with a medium cleft surface. Interior and exterior use. 
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