RECTANGULAR SECTION MIXTURE ASHLAR 5,5X7X15(V.) mm

400 miniature square section (5.5x7 mm) ashlars, obtained from the mixture of three different clay types.

Rectangular section allows two different stones dispositions. One where ashlars are laid flat with its long narrow side exposed and another where stones are laid on their long narrow side and ashlar biggest surface is visible.  

Hardness of these stones is adequate to allow modellers adjust to the limit each single stone to the adjacent ones with some sandpaper.  
50% of the stones are 15 mm long, 33% measures 12 mm and the rest, 17% of the ashlars, are 8 mm long.