PHYSICAL - MECHANICAL FEATURES

Commercial trade name:

African Black

Geological classification:

Gabbro

Mineralogical composition

Major constituent minerals:

Plagioclase

Pyroxene

Quartz

Microline

Accessory minerals:

Hornblende

Biotite

Magnetite

Physical Properties

Compressive strength, MPa (nominal value)

Flexural strength, MPa (nominal value)

Water absorption, % m/m

427,7

28,3

0,11

Density:

Bulk density, kg/m3

Relative density

Abrasion resistance, wear, mm

Coefficient of thermal expansion, per °C

3105

3,10

1,30

4,67 x 10-6