OldTools Archive
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247237 | Michael Blair <branson2@s...> | 2014‑04‑17 | Re: Old Dog, New Trick - AKA Diamond sharpening |
> So how do they drill, grind and polish a diamond, if there is nothing > harder to use in the process? You use industrial grade diamonds. That's what is actually used in cutting diamonds. > Ergo, the drilling, grinding, polishing medium must be something > softer, eh? Nope. Mike in Sacto |
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