tounkite
English edit
Etymology edit
This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
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Noun edit
tounkite
- (mineralogy) A hexagonal-trapezohedral mineral with the chemical formula (Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O.
References edit
- David Barthelmy (1997–2024) “Tounkite”, in Webmineral Mineralogy Database.