Blanco Extremadura
Granite of two micas extracted in the batolito of Araya's Head. Good Mining. All kinds of uses.
Characteristic Generales:
- Origin: Navas del Madroño
- Province: Cáceres
- Colour:White-grey
- Petrographic description: Muscovite biotite granite with cordierite
- Grain size: Medium (porphyritic)
- Opened porosity ( %): 0,5
- Apparent density ( Kg/m3): 2630
- Resistance to the graze ( mm): 18
- Resistance to the compression ( MPa): 155
- Resistance to the concentrated load deflection (MPa): 11,9
- Microhardness knoop ( Mpa): 2226
- Water absorption for capillarity (g/m” · s0,5): 0,400
- Resistance to ice ( % variation flexion after cycles ): 5
- Water Absorption under atmospheric pressure ( %): 0,2



