3/4" Minus Crushed Basalt is our most commonly used driveway gravel. It is a locally crushed basalt from 3/4" all the way down to 0", so it contains the fines from the crushing process. It is these fines that will help the rock to pack in and stay in place while driving on it.
Physical Properties of Gabbro Physical properties of rocks are used to identify the type of rocks and to discover more about them. There are various physical properties of Gabbro like Hardness, Grain Size, Fracture, Streak, Porosity, Luster, Strength etc which defines it.