LOCATION:  France.

TYPE: Amygdaloid primary Devonian stratum.

APPEARANCE: White green schistose and “breccia”  background.

PROPERTIES:
Apparent density:  2,600 2,700 Kg/m3
Porosity :    0,3 - 0,5 %
Compressive strength:  140 - 155 MPa
Abrasion resistance:  26 - 30  mm
Saturation:  0,8 – 0,9
Bending strength:   75,000 MPa
Sound propagation speed:  6000 – 6500 m/s

MAIN USES: Decorations, fireplaces, columns, flooring, cladding.                    

REFERENCES: Château de Versailles – Paris - France