REFERRED TO AS NIMMITABEL “BLACK” BY STONEMASONS – THE  COLOUR IS THE DARKEST ON THE MARKET.  FURTHER ENHANCED WHEN WET OR TREATED.  NIMMITABEL BLACK CAN BE LAID IN NUMEROUS WAYS TO EXHIBIT CHANGING EFFECT.  THESE INCLUDE DRY STONE, MORTAR, RAKED MORTAR AND BOOKLEAF.  THE DARK BLUSTONE CONTRASTS BEAUTIFULLY WITH THE NATURAL BROWN/BUFF FACE COLOUR OF THE STONE.