Azul Cascais

Limestone

Azul Cascais

Limestone

Bluish-gray limestone with light-brown spots or nodules and dispersed fine blackish spots. Essentially calciclastic with rare spathized areas.

Other Names
Cinzento Azulado de Cascais
Petrographic Classification
Sedimentary Limestone
Occurrence
Cascais
Origin
Lisbon
Common Uses
Interior and exterior uses, namely cladding for sheltered areas.
Available Reserves
Available
Source

Properties

  • Compression breaking load
    1430 Mpa
  • Compression breaking load after freezing test
    1300 Mpa
  • Bending strength
    205 Mpa
  • Volumetric weigth
    2700 kg/m3
  • Water absorption at N.P. conditions
    0,3 %
  • Aparent porosity
    0,5 %
  • Thermal linear expansion coeficient
    4,9 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    2,4 mm
  • Impact test: minimum fall height
    40 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction