Talk:Tumble finishing

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Metalworking Mid‑importance

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Gemology and Jewelry: Lapidary Mid‑importance

	This article is within the scope of WikiProject Gemology and Jewelry, a collaborative effort to improve the coverage of Gemology and Jewelry on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Gemology and JewelryWikipedia:WikiProject Gemology and JewelryTemplate:WikiProject Gemology and JewelryGemology and Jewelry
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Untitled

here is a good source of more information on this topic http://geology.com/rock-tumbler/

Removed the following section because it is too specific to some very particlar arrangements and the formulation wasn't cited well enough for the limitations to be clear. The barrel ... "rotates — if round — at about ${\frac {132.8}{\sqrt {D_{in}}}}$ (where Din is the inside barrel diameter in inches) RPM. A hexagonal barrel will rotate at about ${\frac {79.7}{\sqrt {D_{in}}}}$ RPM ^[1]."

References

^ Raymond Rodebaugh/Alan Silverstein. Big Tumbler, December 17, 1999, p. 10

Proposed merge

I propose merging the unreferenced, orphan stub article Rock polishing into the article here. The stub article coverage largely overlaps the coverage here. Reify-tech (talk) 20:34, 25 April 2017 (UTC)[reply]

Merger complete. Klbrain (talk) 17:56, 8 September 2018 (UTC)[reply]

[1] Raymond Rodebaugh/Alan Silverstein. Big Tumbler, December 17, 1999, p. 10

[1]