Terracotta comes from the Italian “Baked-earth”. It is a reddish-brown clay based material that has been fired at moderately low...

Slate is a foliated metamorphic rock, created by the metamorphism of the sedimentary rock shale. Shale has a composition mainly of clay...

Onyx is a coveted material known for its translucent properties. There are two different types of Onyx that are referred to; the...