A rare mineral, typically a silicate or oxide compound named after an explorer or scientist.
From a proper name (likely Dumont) plus the mineralogical suffix '-ite'. In mineralogy, '-ite' is the standard ending for mineral names, often honoring discoverers or patrons.
Mineralogists name new minerals constantly, and '-ite' endings are everywhere—magnetite, hematite, dumontite. Some minerals have multiple names from different countries, creating a diplomatic tangle!
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