Small collection of very interesting fossils. AI describes the large rock as a "gray sedimentary rock matrix containing fossilized impressions, potentially including brachipods or trace fossils. The indented shell shapes and markings, which are commonly found in Paleozoic marine deposits. The impressions resemble fossil molds of brachiopods, small bivalves, or invertebrate burrows".
Also in thisChantilly Lace OC-65 – Flat or Satin – Benjamin Moore collection is a small, raw cluster of amethyst quartz, a natural "hag stone" or "adder stone" and other smaller things.