Keep them, and give them a polish while you’re having a rest from your murky wanderings.
Hopefully you all know what the cut & polished variety looks like.
Raw fossilised wood
Polished fossilised wood!
Sometimes they have opal varieties too.
Polished Feldspar (sunstone)
Polished Feldspar (amazonite)
Polished Feldspar (moonstone)
Also get yourself a UV light as some can fluorescence in the most beautiful ways
You may also get some rocks that glow in the dark hopefully they’re not the radioactive kind.