Belgium’s stone is its industry: the Ardennes slate quarries at Vielsalm and Herbeumont roofed half of northern Europe, and Belgian bluestone (petit granit), a fossil-packed dark limestone full of crinoid fragments, faces buildings across the country. Several old slate mines run underground tours. PUBLIC museum mines (Recht, Vielsalm), Belgium.
Slate, petit granit (bluestone)
Belgium
See it on the map
Other places on the map within a couple of hours.
