althausite

== English == === Etymology === Named for Egon Althouse, a German mineralogist + -ite. === Noun === althausite (mineralogy) An orthorhombic-pyramidal gray mineral containing fluorine, hydrogen, magnesium, oxygen, and phosphorus. ==== References ==== David Barthelmy (1997–2026), “Althausite”, in Webmineral Mineralogy Database.