Vintage MT-4 Vibratory Rock Tumbler with New Drum! Botryoidal Most of these thundereggs were

Most of these thundereggs were dug before the 1970s

I got the chance to dig some with the backhoe

This old stock Mystery Agate comes from an old estate sale from a rockhound that use to frequent Quartzsite in the 90s

and it tends to be pretty heavy for its size due to the large amounts of Iron

Weight: Approx 13 lbs 11

Vintage MT-4 Vibratory Rock Tumbler with New Drum! Botryoidal Most of these thundereggs wereHere is a used vintage MT 4 Vibratory Tumbler, which to my knowledge, is the original version of what is now the Diamond Pacific MT 4SV. To my knowledge, no real changes have been made upon this ultrasonic rock polisher, and post modern OEM parts for the MT 4SV should function in this. This is a used MT 4 Vibratory Rock Tumbler, with some signs of wear and tear, and old grit buildup, but it still appears to be functioning 100%. While we did not test a