This rock was found it Easton, Pennsylvania by the Delaware River. I'm just starting to become interested and collecting and hoping to use this site to gain knowledge on the rocks and minerals I find! Thank you!
closed as off-topic by Leukocyte, Peter Jansson, trond hansen, arkaia, uhoh Sep 4 at 1:39
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Questions about rock identification requests are off-topic. For more information, see the announcement on meta." – Leukocyte, Peter Jansson, trond hansen, arkaia, uhoh
Your rock looks like quartzite, metamorphic rock derived from a rock that was previously a sedimentary sandstone with gravel to cobble size pieces of quartz.
There is quite abit of metamorphic rocks around Easton, PA. Reference: Geology map of Easton, PA.