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well, I want the opal and I have a five pot moly. I have to build a little gas unit for the fluorine opals anyway but it would be really nice to not have two furnaces on at once these days.
I have to confess that what you have written in terms of formulation is utterly incomprehnsible to me the way they are written. Do you mind putting down a basic formula (without strontium, which is one of your favorites i know but I don't want to get into another bulk item in the batch room ). I already get the notion that this is an emulsion glass and the phosphate glass is embedded in the silicate glass. What i see you saying is to not go above 3% Ca and 2% Zn. That's 5%. Are you advocating that to be the max of the network modifier?
Spit it out.
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