Cinzento Ariz

Granite

Cinzento Ariz

Granite

Medium grained two-mica greyish granite, essentially biotitic, equigranular, with rare dispersed feldspar megacrystals.

Other Names
Cinzento Ariz, Cinza Ariz, Zira Grey – Nomenclatura EN12440
Petrographic Classification
Granite
Occurrence
Ariz / Pêra-Velha / Caria – Moimenta da Beira
Origin
Viseu
Common Uses
Interiors and exteriors
Available Reserves
Available
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    189 Mpa
  • Compression breaking load after freezing test
    180 Mpa
  • Bending strength
    14,3 Mpa
  • Volumetric weigth
    2630 kg/m3
  • Water absorption at N.P. conditions
    0,2 %
  • Aparent porosity
    0,6 %
  • Thermal linear expansion coeficient
    8,2 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,2 mm
  • Impact test: minimum fall height
    55 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction