esperanzaite

== English == === Etymology === Named after the discovery locality: La Esperanza Mine, Durango, Mexico. Esperanza + -ite === Noun === esperanzaite (mineralogy) A monoclinic-prismatic blue green mineral containing aluminum, arsenic, calcium, fluorine, hydrogen, oxygen, and sodium. ==== References ==== David Barthelmy (1997–2026), “Esperanzaite”, in Webmineral Mineralogy Database.