Slate is a metamorphic rock that is dense, strong, acid resistant and non-absorptive. It is impervious to freeze/thaw cycles and has been used in construction for thousands of years. It is the material of choice for discerning architects, designers,...
SLATESTONES: Slate is a fine-gained, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism. The result is foliated rock in which the follation may...
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