Do Foliated Rocks Split Along Bands?

Foliation among the gneisses appears as distinct alternating bands of platy minerals and coarse-grained minerals; however, gneisses do not split, or cleave, along their planes as schists do. ...

Do foliated rocks have bands?

Foliated rocks have platy or elongate minerals aligned in roughly parallel planes or in wavy bands or planes. Nonfoliated rocks may show colored bands that reflect minute impurities in the rock, but the dominant minerals show no visible alignment.

Do foliated rocks break easily?

Usually, a series of foliation planes can be seen parallel to each other in the rock. Well developed foliation is characteristic of most metamorphic rocks. Metamorphic rocks often break easily along foliation planes.