As always, trust, but verify! Google maps lists "made up" places or outdated info. AI isn't scouting these locations physically...
Of course, at that point, the real question is, what's the value difference (taking into account personal, external and social costs) between asking chatgpt and /r/rockhounding (or whatever message boards they frequent)? At least if you start a thread on reddit, you might meet other people in the area with the same hobby, find a spot no one's talked about yet, get expert context and leave a trail for others to find.