Consequently, foliation of phyllites differs from the foliation in slates that stems from clay mineral alignment, and diverse from foliation in schists due to the fact schists constantly have seen mica grains. Like slates, phyllites exhibit fissility. as an impurity. Desirable samples of fluorescence can be observed in agate and https://bookmarkfriend.com/story13236122/simple-rock-cycle-things-to-know-before-you-buy