Taylor's mother is a mineralogist, and sometimes she brings home samples to study. Taylor observes and compares these minerals. He knows that minerals form in several ways. He is especially interested in the minerals that form from volcanic activity and the kinds of crystals they form. What determines crystal size in minerals formed by lava and magma? * 1 point the kind of mineral that formed the amount of material available the rate at which the minerals cooled the materials in the lava or magma