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#teamsodalite — Public Fediverse posts

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  1. Now the cool thing about #NephilineSyenite is that yes, there will be a sizeable proportion of silica containing alkali feldspar. #Sodalite, #Nephiline and others, if present, crystallize AFTER the available Si is used up. So they may be vein-filling or adjacent in the matrix. But if they are present, that's definitive for a silica poor source magma. Anyway, VOTE SODALITE! #TeamSodalite #MinCup23

  2. Okay, #stibnite vs #sodalite. Stibnite is cool, but I have to be #TeamSodalite in this matchup. I've always been fascinated by sodalite and all of the related #nephelinesyenite minerals that only occur in very special silica poor or absent melts. They are like the #BaltimoreOrioles kicking ass over the #Yankees (and I already championed #Quartz as the Yankees). Plus, sodalite is an awesome blue color and flourescent under UV. How cool is that!!!!???? #MinCup23