1. The first grey rock in the top row is likely a granite pebble with quartz inclusion.
2. The yellow rock in the top row looks like rough citrine.
3. The clear rock in the top row is polished quartz.
4. The large black rock in the second row could be a piece of fossilized bone.
5. The golden rock in the second row is polished “Tiger’s Eye”.
6. The blue rock in the second row is likely polished sodalite.
7. The two silvery rocks on the far left are schist.
Neat stuff!