Branco Vimieiro

Granite

Branco Vimieiro

Granite

Light grey medium grained two-mica granite, presenting a slight porphyroid tendency and dispersed greyish quartz aggregates.

Other Names
Branco Vimieiro – Nomenclature EN 12440, Silver White, Kristal White
Petrographic Classification
Granite
Occurrence
Vimieiro, Arraiolos
Origin
Évora
Common Uses
Interiors and exteriors.
Available Reserves
Available
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)

Properties

  • Compression breaking load
    146 Mpa
  • Compression breaking load after freezing test
    139 Mpa
  • Bending strength
    11,7 Mpa
  • Volumetric weigth
    2620 kg/m3
  • Water absorption at N.P. conditions
    0,3 %
  • Aparent porosity
    0,9 %
  • Thermal linear expansion coeficient
    6,7 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    0,2 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