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Encinas Black Granite - Granito Negro Encinas

Detail of a slice of Special Ochavo Black Granite - Granito Negro Ochavo Especial extracted from quarries in Badajoz, Spain.

Black granite of medium grain, with some movement, corresponding to a diabase dike. Medium mining. All kinds of uses.

General Caracteristics:

- Origin: Villar del Rey
- Province: Badajoz
- Colour: Black

  • Petrographic description: Diabase
  • Grain size: Medium
  • Opened porosity ( %): 0,1
  • Apparent density ( Kg/m3): 3030
  • Resistance to the graze ( mm): 17,5
  • Resistance to the compression ( MPa): 217
  • Resistance to the concentrated load deflection (MPa): 38
  • Elastic Module ( MPa): 28746
  • Microhardness knoop ( Mpa): 2815
  • Resistance to shock (cm): 80
  • Water absorption for capillarity (g/m” · s0,5): 0,157
  • Resistance to ice ( % variation flexion after cycles): 8
  • Resistance to the crystallization of salts (Mass variation): 0,08
  • Water Absorption under atmospheric pressure ( %): 0,1
  • Break charge (N): 3200
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