[Milsurplus] FT-241 LF Crystals as a Long - Term Investment Instrument

[Hubert Miller]

As I understand it, the main failure mode is the separation of the tiny leads from the crystal surface.
Otherwise, for a cleaning try, what immediately came to mind is a small ultrasonic cleaner, like for cleaning jewelry.
-Hue

From: John P Hutchins <jphutch60bj at gmail.com>


 Catching up on this subject-
Have you tried removing and washing in vinegar and ammonia  seems like they may over time collect :
encrusted with calcite, barite, or lime carbonates. I would try washing before tossing?
Just a thought.

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