Slate

1) Colors: rusty, dark black, green
2) Natural split, available in modern and  (http://maplered.com)  traditional styles for roof, 
    floor and  (http://maplered.com)  wall 
3) Sizes: 
many size available
  
4) Thickness: 
    a) 0 - 15mm (1/2 - 3/4") 
    b) 15 - 20mm (3/4 - 1") 
    c) 20 - 25mm (1 - 1-1/2") 
    d) 25 - 30mm ( 1-1/2 - 1-3/4") 

5) Finish: polished, calibrated, natural split and  (http://maplered.com)  honed

Outer packing:
Carton or Wooden crate with inner foam