Rocks and Fossils

Here is piece of petrified wood my aunt and uncle have had for decades. I was fixing their computer last week and decided to take some pictures.

Here is some quartz from a large geode they have. It must have been around 7 inches (18 centimeters) in diameter.



Here is a picture of some crinoid heads in a display case at the Louisville Science Center. They are on the 2nd floor in the Discovery room.