Mine Drill Core Samples & Rocks Minerals Mixed Lot

Lot of collectible rocks. Includes several of what appear to be mine drill core samples (about 1 inch in diameter, up to 5.5 inches long) from unknown locations. Also includes several other mineral specimens (possibly quartz?) Total weight is 1lb 5.6oz. I dont know much about these items, please view photos for more information about whats included in this lot. Location:J2