gaudefroyite

English

Etymology

This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

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Noun

gaudefroyite

1. (mineralogy) A hexagonal-pyramidal black mineral containing boron, calcium, carbon, hydrogen, manganese, and oxygen.

References

• David Barthelmy (1997–2024) “Gaudefroyite”, in Webmineral Mineralogy Database.