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 Home » Tumbler Rough » Bulk Mixed Rough

Bulk Mixed Rock Tumbler Rough


A colorful mixture of rough material for rock tumbling.

Jasper tumbling rough

$79.95 For
Nineteen Pounds


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Bulk Mixed Tumbling Rough - Wow!



If you like colorful tumbling rough in chunky pieces then this is a deal that you will not want to miss. You get 19 pounds of mixed tumbling rough mostly collected from mines in Africa.

Your bag should contain a colorful mix that includes several different materials - similar to the photo above (photographed wet to show full color).

Here is a list of some of the roughs that you might find in your bag: banded amethyst, gold tiger eye, red jasper, picture jasper, green aventurine, rose quartz, sodalite, unakite, white quartz and more. Every bag is different and every bag has lots of diverse color.

The size of this rough ranges from about 1/2 inch up to nearly 3 inches in maximum dimension - but most of the pieces are between 1 inch and 2 1/2 inches. Rough of this size tumbles best in a six-pound or larger capacity barrel. It can be tumbled in barrels down to 3-pound capacity if you are patient, include small pieces (or media) in the barrel and are willing to run the coarse grit step at least two or three times. Big pieces of rough require lots of time for smoothing.

When we tumble this mix we add 20% to 30% large ceramic media to the barrel. The ceramic cylinders get between the large pieces of rough. They deliver grit to the surface of the rough and act like roller-bearings to improve the tumbling action.

We add a little more coarse grit than normal and a little more water, then tumble for two weeks straight before opening the barrel for inspection. That should wear off the sharp edges and just begin sanding the surfaces. We then tumble for at least two more weeks in coarse grit to get nice rounded tumbles. Nice tumbles require time and patience. In our opinion, this rough is extra nice and is worth the wait.

After coarse grind we tumble one week in medium, one week in fine and one week in TXP polish - an aluminum oxide compound. When we change grit, we simply rinse the ceramic media with the rocks and add it back into the barrel for the next step.

The rough material in the photograph above was photographed wet to show full color.

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