Brecha de Santo António

Limestone

Brecha de Santo António

Limestone

Greyish limestone with golden spots and recrystallized zones, of breccious appearance and tectonized.

Other Names
Brecha de Sto. António – Nomenclature EN 12440, Brecha Marítima
Petrographic Classification
Limestone
Occurrence
S.Bento – Porto de Mós
Origin
Leiria
Common Uses
Interior cladding
Available Reserves
Rare
Source
Moura, A. C., & Carvalho, C. (2007). Mármores e calcários ornamentais de Portugal. Gestão de Artes Gráficas SA, Amadora. – (http://www.lneg.pt/download/7310/index.html)

Properties

  • Compression breaking load
    133 Mpa
  • Compression breaking load after freezing test
    119 Mpa
  • Bending strength
    11,0 Mpa
  • Volumetric weigth
    2620 kg/m3
  • Water absorption at N.P. conditions
    1,8 %
  • Aparent porosity
    4,7 %
  • Thermal linear expansion coeficient
    7,1 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon_Cappon)
    1,8 / 20,5 mm
  • Impact test: minimum fall height
    45 -50 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction