Gabro de Odivelas

Granite

Gabro de Odivelas

Granite

Homogeneous greyish-black igneous rock, medium grained.

Other Names
Preto de Odivelas - Nomenclatura EN12440
Petrographic Classification
Gabro
Occurrence
Odivelas – Ferreira do Alentejo
Origin
Beja
Common Uses
Interiors and Exteriors
Available Reserves
Rare
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    138 Mpa
  • Compression breaking load after freezing test
    165 Mpa
  • Bending strength
    28,4 Mpa
  • Volumetric weigth
    2990 kg/m3
  • Water absorption at N.P. conditions
    0,0 %
  • Aparent porosity
    0,1 %
  • Thermal linear expansion coeficient
    6 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,5 mm
  • Impact test: minimum fall height
    60 cm

  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction
  • Pedra Secular, Lda.
    Évora
  • Transgranitos – Mármores e Granitos do Alto Tâmega, Lda.
    Vila Pouca de Aguiar