strong text Can anyone tell me what material this is and maybe the value of it? I was informed it is flooring of some sort, I was thinking it maybe MARBLE or GRANITE, looks to be like 1/2 " x 4 x 8 sheets, please reply by this venue or billhunter33031@yahoo.ca Thank you<<<
I agree it looks like drywall. would need a better picture. do you have one ? 
There is no picture visible on my end. Sorry.
I think he was talking about this stuff: