bannisterite

== English == === Etymology === From Bannister +‎ -ite, after British mineralogist Frederick Allen Bannister. === Noun === bannisterite (mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, sodium, and zinc. ==== References ==== David Barthelmy (1997–2026), “Bannisterite”, in Webmineral Mineralogy Database.