This is a lot of mixed rocks and minerals from across the United States and Canada. They were collected at various localities, including the Rocky Mountains. There are approx. two dozen individual pieces of different sizes. The entire lot weighs approx. one half pound (267 grams). Many of these rocks are not identified, but I do see some quartz, feldspar, chert, agate, and others.
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing all of the rocks shown.