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mesh coarseness does not determine NdO content. The curiosity with the Nd is it can be supplied as NdO, Nd20, Nd2O3, or NdO3 , (I think that's right) so every content has a different Oxygen content as well as a different Nd content, which is the one that colors the goop. I think carbonates are out there as well. That O2 content should be thought of as diluting the Nd.
So that's price. I don't have any quantifying info as to whether it makes any difference in the color density. Logic says it should.
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Where are we going and why am I in this basket?
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