Yes it most probably was galena, not geranium (wrong spell check
choice !), and the "crystal" was about 3/8" in diameter, and height,
and maybe mounted in Woods Metal not lead. Many years later, it
seems, my first experience with a semiconductor device, was with an
IN34, crudely built (by today's standards) germanium diode.
We didn't even have any semiconductor classes or training, in my EE
curriculum, when I attended college. I finally learned about them
later, in the excellent electronics training I got while in the
military and working on guided missile R & D at White Sands Proving
Grounds. That and my ham radio design experience, got me
excellent engineering job offers when I got out of the service.
Chuck, W7CS
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