Alpinina

Limestone

Alpinina

Limestone

Fine grained beige limestone, with stylolites and thin calcitic and ferruginous veins, tectonized and fairly recrystallized.

Other Names
Alpinina Clara – Nomenclature EN 12440
Petrographic Classification
Limestone
Occurrence
Alvados – Porto de Mós
Origin
Leiria
Common Uses
Interior and exterior cladding. Interior flooring.
Available Reserves
Available
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
    113 Mpa
  • Compression breaking load after freezing test
    94 Mpa
  • Bending strength
    12,5 Mpa
  • Volumetric weigth
    2700 kg/m3
  • Water absorption at N.P. conditions
    0,2 %
  • Aparent porosity
    0,5 %
  • Thermal linear expansion coeficient
    4,3 X 10 -6 perº C
  • Abrasion test (Amsler-Laffon_Cappon)
    1,9 / 18,5 mm
  • Impact test: minimum fall height
    45 cm
  • Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.

Companies

Processing
Extraction