Rock Tumbler Grit
| "Tumbler grit" is a silicon carbide powder that is much harder than the types of rocks that are commonly tumbled. If it is tumbled in a barrel with rock and water the abrasion caused by the grit particles rounds the sharp edges off of the rocks. We use about four tablespoons of grit in a three-pound capacity tumbler barrel.. |

60/90 Grit - STEP 1 |
Coarse Rock Tumbler Grit:
This is the grit that most people use in STEP 1 of the rock tumbling process. It is an ungraded 60/90 mesh silicion carbide powder. In a rotary tumbler we use about four tablespoons of coarse grit for every three pounds of barrel capacity. Shipped in a resealable plastic tub for your convenience.
Caution: Do not dispose of used grit, polish or rock slurry down a drain. |
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150/220 Grit - STEP 2 |
Medium Rock Tumbler Grit:
Use this grit that most people use for STEP 2 of the rock tumbling process. It is an ungraded 150/220 mesh silicon carbide powder. In a rotary tumbler we use about four tablespoons of medium grit for every three pounds of barrel capacity. Shipped in a resealable plastic tub for your convenience.
Caution: Do not dispose of used grit, polish or rock slurry down a drain. |
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Four Step Grit Kit |
Four-Step Tumbler Grit Kit:
Here are all of the grits and polish that you need to process rocks in a rotary tumbler. You get: one pound each of coarse (60/90), medium (150/220) and fine (500F) silicon carbide grit plus eight ounces of TXP aluminum oxide rock polish - all in convenient resealable plastic tubs. This is enough supplies to tumble up to four three-pound barrels of rocks.
Caution: Do not dispose of used grit, polish or rock slurry down a drain. |
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Polished Gemstones: Are you looking for finished gemstones? We have them in seven different sizes. |
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