Cinzento Favaco

Granite

Cinzento Favaco

Granite

Dark grey fine to medium grained igneous rock, hornblendic and biotitic.

Other Names
Cinzento Favaco – Nomenclature EN 12440, Favaco
Petrographic Classification
Quartzodiorito
Occurrence
S. Vicente e Ventosa/ Caia e S. Pedro, Elvas
Origin
Portalegre
Common Uses
Interiors and exteriors.
Available Reserves
Rare
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    124 Mpa
  • Compression breaking load after freezing test
    94 Mpa
  • Bending strength
    16 Mpa
  • Volumetric weigth
    2850 kg/m3
  • Water absorption at N.P. conditions
    0,2 %
  • Aparent porosity
    0,6 %
  • Thermal linear expansion coeficient
    6,7 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,5 mm
  • Impact test: minimum fall height
    70 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction