Complex sentence: The name rhyolite was introduced into geology in 1860 by the German traveler and geologist Ferdinand von Richthofen from the Greek word "rhýax" ("a stream of lava ") + the mineral-name-forming suffix"-lite".
Split into simpler sentences: The name rhyolite was introduced into geology in 1860 by the German traveler and geologist Ferdinand von Richthofen. Is from the Greek word "rhýax" ("a stream of lava ") + the mineral-name-forming suffix"-lite".