Lowering the frequency of a quartz crystal by electroplating

[@yo3broyo3bro50]

works with graphite crayon on the sides,seen this in a russian video...,tested, works,for increase freq, reduce the size of the crystal with sandpaper

[@pawef9049]

Graphite tends to wear in time, and it is temporary solution.

[@TheLightningStalker]

I would be interested to see footage of one of your crystals running in a radio.