tschermakite

== English == === Etymology === For Gustav Tschermak von Seysenegg, +‎ -ite. === Noun === tschermakite (plural tschermakites) a complex silicate mineral (a kind of hornblende) containing calcium, magnesium, aluminium and ferric iron found in metamorphic rocks === Further reading === David Barthelmy (1997–2026), “Tschermakite”, in Webmineral Mineralogy Database. “tschermakite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.