Encarnado da Pedra Furada

Limestone

Encarnado da Pedra Furada

Limestone

Microcrystalline reddish limestone with some rosy-red or orange-yellow spots and coarse elements, essentially bioclastic, spathized and showing recrystallized zones and thin stylolites.

Other Names
Vidraço da Pedra Furada – Nomenclature EN 12440
Petrographic Classification
Limestone
Occurrence
Montelavar – Sintra
Origin
Lisbon
Common Uses
Cladding, preferably for interiors or for exterior sheltered areas.
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
    140 Mpa
  • Compression breaking load after freezing test
    112 Mpa
  • Bending strength
    12,2 Mpa
  • Volumetric weigth
    2700 kg/m3
  • Water absorption at N.P. conditions
    0,2 %
  • Aparent porosity
    0,4 %
  • Thermal linear expansion coeficient
    4,3 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon)
    2,0 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
  • Mármores Ferrar, Lda.
    Santarém
  • Marmocazi – Indústria de Mármores, Lda.
    Sintra
  • Transgranitos – Mármores e Granitos do Alto Tâmega, Lda.
    Vila Pouca de Aguiar