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Rock Tumbler Media

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Rock tumbling media
Tumbling media has three functions: 1) it delivers grit to hard-to-reach rock surfaces; 2) it is used as a filler when tumbling a partial load; 3) it is used to cushion fragile rock materials during the tumbling process. Plastic pellets are to be used in rotary tumblers (they produce too much "bounce" in a vibratory). Ceramic pellets are used in vibratory tumbling but many people also use them in rotary tumblers. If you are tumbling a load of large rocks they will have very few points of contact. However, if you add ceramic cylinders to fill the voids between the rocks there will be a lot more points of contact where grinding action can occur. The result will be faster grinding and smoothing done on surfaces where rock-to-rock contacts would not occur.

Learn About Tumbling Media... When to use it? How much to use? Which size? More information...

Large ceramic tumbling media
Large Ceramic Tumbling Media

We use these for filler and cushioning!


Large ceramic pellets work great as a filler and for delivering grit or polish to difficult-to-reach surfaces. These angle-cut cylinders are approximately 3/8" (9mm) diameter x 5/8" (16mm) long. They can be washed and reused along with your rock. When used in the fine grit and polish stages they will last through many tumbling cycles.

Bulk Ceramic Media
$12.95 For
Two Pounds


Only $26.95 For
Five Pounds

Small ceramic tumbling media
Small Ceramic Tumbling Media

We Use These for Cushioning


Ceramic pellets work great as a filler and for delivering grit or polish to difficult-to-reach surfaces. These angle-cut cylinders are approximately 3/16" (5mm) diameter x 3/8" (10mm) long. They can be washed and reused along with your rock. When used in the fine grit and polish stages they will last through many tumbling cycles.

Bulk Ceramic Media
$12.95 For
Two Pounds


Only $26.95 For
Five Pounds

Plastic tumbler media
Plastic Pellet Tumbling Media

Rotary Only!


Use these plastic pellets to cushion fragile stones when tumbling in a rotary tumbler or as a filler. The pellets are about 3/16" (4mm) in diameter and float for easy separation from rock. They can be reused multiple times in the same size grit. (Not for use in vibratory tumblers.)
$5.95 For
One Pound


Only $12.95 for
2 1/2 Pounds


A video showing use of the different tumbling medias above

 
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  Rock Tumbling Book
Modern Rock Tumbling We highly recommend: Modern Rock Tumbling by Steve Hart. Learning is the fastest way to improve the quality of rocks that you tumble. In this book you will learn from an expert with extensive experience. You will increase your abilities, learn to save time, money and have a great reference book that you will use again and again.

  Gemstones of the World
Gemstones of the World We highly recommend: Gemstones of the World (fifth edition) by Walter Schumann. One of the most popular gemstone books ever written, with over one million copies sold. It has about 100 pages of basic gemstone information and about 200 pages dedicated to photos and descriptions of over 100 gems and gem materials.

Tumbling Articles and Resources
  Tumbling Instructions
  Polished Stone Identification
Fee mining sites   Fee Mining and Digging Sites
  Rock Tumbler Blog
  Tumbling FAQ
  Using Tumbling Media
  Tumbling Glass
  How Long Does Tumbling Take?
  How Loud Are Tumblers?
  Uses for Tumbled Stones

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