tounkite

English

Etymology

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

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Noun

tounkite

1. (mineralogy) A hexagonal-trapezohedral mineral with the chemical formula (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl · H₂O.

References

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