Siliceous Pierre: Shale sandstone

Other titles / varieties

Sandstone the Warche, Paliseul, Mouzaive sandstone stone, Ranhissart stone

Mining area

Ardenne, provinces of Liège and Luxembourg

Mineralogical composition

Assembling of silica, clay, iron and aluminous minerals

Maximum dimensions of the raw elements

Length 5-3 m width 0, 25-2 m thickness 0.4 m depending on the variety

Minimum thickness of application

Slab 3 cm - 5 cm vertical element

Surface States

Gross, cleaved, sometimes sawed

Common applications

Exterior: flat rubble, angle, head of mould, lintel, slab, wall covers, Tablet, threshold, furniture

Interior: tiles, decoration