GENERAL DESCRIPTION

Gabbro refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt, being its coarse-grained analogue. Gabbro is dark-colored, composed mainly of the minerals plagioclase and augite. It is the most abundant rock in the deep oceanic crust.

Features include:

Colour: Black to Grey

Hardness: 5 to 6 Mohs

Specific Gravity: 2.6 – 2.8

GENERAL APPLICATIONS/ USES

  • Manufacturing of:
    • Bricks, Concrete
    • Mortar
    • Cement
    • Plasters, paving materials
    • Construction applications
  • It is used for everything from crushed stone base materials at construction sites to polished stone counter tops and floor tiles.

AVAILABLE GRADES

  • 0 – 3.0 mm 0 – 5.0 mm
  • 5 – 10 mm  10 – 20 mm