niobophyllite

English

Etymology

For its composition of niobium, and Ancient Greek φύλλον (phúllon, “leaf”) for its foliated crystal habit, +‎ -ite.

Noun

niobophyllite

1. (mineralogy) A triclinic brown mineral containing fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, sodium, and titanium.

Further reading

• David Barthelmy (1997–2025) “Niobophyllite”, in Webmineral Mineralogy Database.
• “niobophyllite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2025.