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Alpinina Atlântida

Alpinina Atlântida

Origin: Portugal

Type: Limestone

 

Macroscopic Description

Partially tectonized pelbiomicrite (Calciclastic limestone)

 

Petrographic Description

Bege microcrystaline limestone, often organodetritical, tectonized and fairly recrystallized.

 

Physico-Mechanical Properties

 

  • Compression Breaking Load: 1150 Kg/cm2
  • Compression Breaking Load after Freezing Test: 962 Kg/cm2
  • Bending Strength: 183 Kg/cm2
  • Volumetric Weight: 2696 Kg/m3
  • Water Absorption: 0,18%
  • Apparent Porosity: 0,48%
  • Thermal Linear Expansion Coefficient: 4,3 (10^6 per ºC)
  • Abrasion Test: 1,9 mm
  • Impact Test: 45 cm

 

Chemical Properties

 

  • Al2O3: 0,67%
  • CaO: 54,79%
  • Fe2O3: 0,08%
  • K2O: 0,12%
  • MgO: 0,52%
  • MnO: 0,01%
  • Na2O: 0,05%
  • P. R.: 43,5%
  • SiO2: 0,1%

 

Microscopical Properties

 

  • Calcite: 100%