Do Extrusive Rocks Have Crystals?
Do Extrusive Rocks Have Crystals? Why are there no visible crystals? Extrusive igneous rocks cool much more rapidly than intrusive rocks What kind of crystals do extrusive rocks have? Extrusive igneous rocks form after lava cools above the surface. Extrusive igneous rocks cool much more rapidly than intrusive rocks. There is little time for crystals