Azulália

Granite

Azulália

Granite

Medium grained biotitic igneous rock, with clear foliation and a dark grey colour.

Other Names
Azul Évora – Nomenclature En 12440, Cinzento Escuro
Petrographic Classification
Granodiorite
Occurrence
Vendinha, S. Vicente do Pigeiro
Origin
Évora
Common Uses
Interiors and exteriors.
Available Reserves
Abundant
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    136 Mpa
  • Compression breaking load after freezing test
    140 Mpa
  • Bending strength
    25,5 Mpa
  • Volumetric weigth
    2690 kg/m3
  • Water absorption at N.P. conditions
    0,2 %
  • Aparent porosity
    0,5 %
  • Thermal linear expansion coeficient
    6,7 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,4 mm
  • Impact test: minimum fall height
    75 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction