what are the main characteristics of igneous rocks
Igneous Rocks Igneous rocks form from the solidification of magma (molten rock). A reminder: magma is molten rock beneath the Earth s surface and lava is magma that is on the Earth s surface.The main characteristics of an Igneous rock are crystal size (grain size) and texture. The crystal size and texture of an igneous rock is dependant on where in the earth the rock formed.ocks All rocks are formed from minerals. There are 3 main classifications of rocks they are igneous, sedimentary, and metamorphic. These rocks are formed under different conditions and posses certain characteristics.