gerdtremmelite

== English == === Etymology === Named after German mineral collector Dr. Gerd Tremmel +‎ -ite. === Noun === gerdtremmelite (mineralogy) A triclinic mineral containing aluminum, arsenic, hydrogen, oxygen, and zinc. === Further reading === David Barthelmy (1997–2026), “Gerdtremmelite”, in Webmineral Mineralogy Database. “gerdtremmelite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.