Validity of Patuxent River Agate (C.Lee / F.Ward /Maryland State
Gemstone). Is patuxent river agate, agatized dino bone or
iron-stained quartzite or possibly something else? Or is it just a
hoax made up by Lee & Ward?
try reading this site.
and Wikipedia. If the Maryland legislature has made it the state rock
it probably isn’t a hoax.