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Ochavo Black Granite - Granito Negro Ochavo

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

Black granite of thin grain, extracted in the batholith of Burguillos. Medium mining. All kinds of uses.

General Caracteristics:

- Origin: Burguillos del Cerro
- Province: Badajoz
- Colour: Black

  • Petrographic description: Hornblende diorite with biotite and pyroxene
  • Grain size:Thin
  • Opened porosity ( %): 0,4
  • Apparent density ( Kg/m3): 2840
  • Resistance to the graze ( mm): 19
  • Resistance to the compression ( MPa): 154
  • Resistance to the concentrated load deflection (MPa): 18,1
  • Elastic Module ( MPa): 37010
  • Microhardness knoop ( Mpa): 3750
  • Resistance to shock (cm): 51
  • Water absorption for capillarity (g/m” · s0,5): 0,368
  • Resistance to ice ( % variation flexion after cycles ): 4
  • Resistance to the crystallization of salts (Mass variation): 0,01
  • Water Absorption under atmospheric pressure ( %): 0,1
  • Break charge (N): 1850
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