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Cáceres - Spain
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Blue Sapphire Granite - Granito Azul Zafiro

Detail of a slice of Blue Sapphire Granite - Granito Azul Zafiro extracted in quarries from Cáceres, Spain.

Biotic granite from the pluton of Gredos. It admits any type of finishings. It can be used indoors and outdoors. Big reserves.

General Caracteristics:

- Origin: Piornal
- Province: Cáceres
- Colour: Grey

  • Petrographic description: Granite biotite
  • Grain size: Thin to medium ( porphyritic)
  • Opened porosity ( %): 0,7
  • Apparent density ( Kg/m3): 2710
  • Resistance to the graze ( mm): 18
  • Resistance to the compression( MPa): 165
  • Resistance to the concentrated load deflection (MPa): 12,1
  • Elastic Module ( MPa): 30765
  • Microhardness knoop ( Mpa): 2050
  • Resistance to shock (cm): 47
  • Water absorption for capillarity (g/m” · s0,5): 0,432
  • Resistance to ice ( % variation flexion after cycles): 6
  • Resistance to the crystallization of salts (Mass variation): 0,02
  • Water Absorption under atmospheric pressure ( %): 0,2
  • Break charge (N): 2150
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