phosgenite


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phosgenite

(ˈfɒzdʒɪˌnaɪt)
n
(Minerals) a rare fluorescent secondary mineral consisting of lead chloro-carbonate in the form of greyish tetragonal crystals. Formula: Pb2(Cl2CO3)
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This reinforces the earlier conclusion [25], based on the fact that the natural abundance is very rare and by recipes found in ancient Egyptian texts, that the laurionite had been prepared synthetically, as was phosgenite, ([Pb.