† pyrochrotiten. [origin uncertain; attributed to A. Breithaupt in A. Frenzel Mineralogisches Lexicon f. das Königreich Sachsen (1874) 252] MineralogyObsoleterare = pyrostilpniten.Apparently only attested in dictionaries or glossaries.
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1896 A. H. ChesterDict. Names Minerals 223Pyrochrotite.