I have marble fireplaces like in the link below but without the cast iron inset.
One fireplace will have a woodburner. The other will be open with a dig grate. Both will have naked brickwork in the opening.
I need to decide between riven and smooth slate hearths. What would you choose?
www.google.co.uk/search?q=marble+corbel+fireplaces&client=ms-android-motorola&prmd=simvn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjR4b6S-J_MAhVKKcAKHb7JDIEQ_AUICCgC&biw=360&bih=512#imgrc=mOzA-F65qLmvFM%3A