The Search for Steel Galena

Galena (lead sulfide) is one of the most sensitive minerals for use in crystal radios.  Most of the galena I've encountered in rock shops, etc. is the stuff with large crystal structure.  However, the galena used in the old days had a much finer crystal structure.  It was known as steel galena due to having the appearance of a broken piece of cast iron or steel.  It's generally easier to find, and hold, a sensitive spot on this material.  There have been some suggestions that this may be argentiferous (silver bearing) galena.

These are vintage detectors, from three different manufacturers, mounted in lead alloy.   The mounts are about 0.5" in diameter.   I sure wish I could find a pound or two of this material.  It would make a lot of detectors.  See Mounting Detectors

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