need advice on a material.. come on people time to be creative..

[erkutacar]

its fireplace approx 1.5m wide 1m deep and 8m tall.. im thinking granite or concrete.. yet i still havent found a good texture that will look perfect

here is a draft iray render to give u an idea of the design and the colors..[ATTACH=CONFIG]44703[/ATTACH]

and here is a draft vray render from living room corner..

[ATTACH=CONFIG]44704[/ATTACH]