allophane

== English == === Etymology === From allo- +‎ -phane. === Pronunciation === IPA(key): /ˈæl.əˌfeɪn/ === Noun === allophane (countable and uncountable, plural allophanes) (mineralogy) An amorphous hydrous aluminium silicate clay mineral ==== Related terms ==== allophanic ==== Translations ==== === Further reading === David Barthelmy (1997–2026), “Allophane”, in Webmineral Mineralogy Database. “allophane”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.