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Old 07-11-2020, 10:14 AM
Josh Bernbaum Josh Bernbaum is offline
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Neodymium ruby?

I'd like to do another neodymium phosphate try, did one last fall with 4% neo that I liked. But thought I'd see if I can get a slightly different look after reading a page from Volf's (Chemical Approach) in which he said something about a glass with 2-2.5% neo and 0.1% selenium can make a "fine neodymium ruby" shade. Any experience out there with this? I know a higher potash glass is necessary for selenium pink, and most of my alkali is sodium, but I do have about 1/4 of my alkali potassium. Is this worth a try, or is that little bit of Se just going to volatize on me?
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