Home Rocks For Tumbling The Art of Rock Tumbling – Mountain Gems Burnaby

The Art of Rock Tumbling – Mountain Gems Burnaby

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By Bruce MacLellan STEP 1Fill your barrel 3/4 - 7/8 full of broken or beach rock (no larger than 1/5 the width of the barrel & smaller). You’ll get the best results if you make sure that there is a good mixture of sizes with more in the medium size range. Hardness is important. A load with rocks that are all harder