Cinzento Monchique

Granite

Cinzento Monchique

Granite

Medium to coarse-grained syenite with a greyish general colour, and redish-brown nepheline grain highlights.

Other Names
Cinzento de Monchique - Nomenclature EN 12440, Sienito de Monchique, St. Louis
Petrographic Classification
Syenite nefelinico
Occurrence
Nave, Monchique
Origin
Faro
Common Uses
Stonemasonry. Interior and exterior cladding.
Available Reserves
Presently not extracted
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    104 Mpa
  • Compression breaking load after freezing test
    84 Mpa
  • Bending strength
    13,3 Mpa
  • Volumetric weigth
    2550 kg/m3
  • Water absorption at N.P. conditions
    0,3 %
  • Aparent porosity
    0,7 %
  • Thermal linear expansion coeficient
    13,8 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,5 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