Definition of nagatelite
: a rare mineral Ca2(Ce,La)2Al4Fe2(Si,P)6O25(OH)(?) that consists of phosphosilicate of aluminum, the rare earths, calcium, and iron, that is related to clinozoisite, and that occurs in black tabular masses
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Origin and Etymology of nagatelite
Nagatejima, headland on the Noto peninsula, Japan + English -lite
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