Steel Rock is a balanced blend of various shades of black and grey, with a fairly consistent pattern throughout. A close up view of this stone will show the accents of small black and grey flecks intermixed with larger black and grey deposits. Subtle brown spots may be present upon close inspection but does not detract from the overall color.
Granite is a naturally occurring stone formed by liquid magma and various minerals, resulting in an extremely durable material. Granite does require sealing, the frequency will depend on its usage.