perlialite

== English == === Etymology === Named after Russian instructor of mineralogy Lily Alekseevna Perekrest, +‎ -ite. The word is an acronym of her name, last name first. === Noun === perlialite (mineralogy) A hexagonal-dihexagonal dipyramidal pearl white mineral containing aluminum, hydrogen, oxygen, potassium, silicon, and thallium. === Further reading === David Barthelmy (1997–2026), “Perlialite”, in Webmineral Mineralogy Database. “perlialite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.