Gabbro properties are essential when it comes to identification of rocks. The study of properties of Gabbro rock is done by Mineralogists to determine the identity of rock. Some of the properties of Gabbro include: Hardness, Color, Fracture, Luster, Compressive Strength etc. Gabbro is Coarse Grained. As compared to other rocks, Gabbro is more porous and its density is 2.7-3.3 g/cm3. Get to know more about physical properties of Gabbro and thermal properties of Gabbro.