walnut shell

Background: I tumble brass in walnut media. Previously-fired cases are decaped, washed and tumbled. When resizing, I use Hornady Unique. After resizing, cases are tumbled to remove the lubricant. The same media is used for both tumbling operations. The media is thrown out when it starts to take...

I use a rotary tumbler built from parts salvaged from a Texas Instruments dot matrix printer. Having no prior experience with rotary tumblers, I just threw 50 or 100 brass cases into the large glass jar I was using as a tumbling drum, filled it about half-way with media, put the lid on it and...

For case tumbling, we seem to mostly talk about steel pins, corn cobs and walnut shells. There have been the occasional post of someone using rice or mica, its mostly the "big three". Does anyone have any experience tumbling brass in other media? Sand. Silicon dioxide. Vermiculite. If so...