MACROSCOPIC DESCRIPTION
- Greyish brown limestone, calciclastic, with blackish punctuations and some blackish beds when concentrated.
MICROSCOPIC FEATURES
- Essential Minerals of the Crystalline Phase:
PHYSICO-MECHANICAL PROPERTIES
- Compression breaking load 2004 Kg/cm2
- Compression breaking load after freezing test Kg/cm2
- Bending strength 239 Kg/cm2
- Volumetric weight Kg/m3
- Water absorption at N.P. conditions %
- Apparent porosity %
- Thermal linear expansion coefficient 3.60 10-6 per ºC
- Abrasion test 23.5 mm
- Impact test: minimum fall height 74 cm
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