Yes, fluorite can be replaced, and silica-dominant minerals are probably most common in doing this (see quartz ps. fluorite from Germany).
Would be hard to say what’s happening with your sample without looking at it though.
Yes, fluorite can be replaced, and silica-dominant minerals are probably most common in doing this (see quartz ps. fluorite from Germany).
Would be hard to say what’s happening with your sample without looking at it though.