Sandstone

Also known as / varieties

Hard sandstone, Condroz psammite, Meuse sandstone, Famennian sandstone, Grès du Condroz

Extraction zone

Valleys of Amblève, Bocq, Hoyoux, Ourthe and Samson, provinces of Liège and Namur

Mineralogical composition

Quartz 62-78 %, lesser amounts of mica and feldspar

Maximum dimensions of rough blocks

Length 2 m width 1-2 m thickness 07-1,5 m

Minimum thickness for application

Horizontal element 2 cm

Surface treatment

Split, rough split, trimmed, retouched, squared

Common applications

Outside : rubble stone, step, wall coping, corner, window and door sill, claddingstone, paving stone, thin paving stone, floor tile, small tile, border

Inside : interior decoration