Slabs made following the natural split of the stone (gneiss). Irregular shape: triangular, trapezoid. Normal mosaic slabs: slabs with normal dimensions and with a natural-split surface. Mosaic "EXTRA": large format, selected surface type. 8 m2 of mosaic flooring require 1000 kg of slabs.
Thickness approx. 4 - 6 cm this may also be only 3 cm if the slabs are not too large.
On one EUR-SBB palette there are approx. 1500 - 1900 kg of stones for walls.