Rockhounding in Pennsylvania Quartz Crystals Abundant ...
Nov 27, 2016· If you''re going through Pennsylvania on your next trip and you''re minerally inclined, there''s a few places you might want to stop. The state is primarily known for the massive amounts of quartz crystal which is dredged from the clay every year, but you can also find petrified wood and a variety of interesting marine fossils if you''re careful to pick the right locations.