Vintage MT-4 Vibratory Rock Tumbler with New Drum! Psilomelane and exciting varieties to introduce

and exciting varieties to introduce

Here is a fantastic sister slab duo of Cherry Creek Jasper from China

often with longer plumes

being a high silica chalcedony jasper

Here is a batch of Michigan Native Copper in Ore

Vintage MT-4 Vibratory Rock Tumbler with New Drum! Psilomelane and exciting varieties to introduceHere 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