jarosite

[ jar-uh-sahyt, juh-roh-sahyt ]

noun

1. a yellowish or brownish mineral, a hydrous sulfate of potassium and iron, KFe 3 (SO 4 ) 2 (OH) 6 , occurring in small crystals or large masses.

jarosite

/ ˈdʒærəˌsaɪt /

noun

1. a yellow to brown secondary mineral consisting of basic hydrated sulphate of iron and potassium in masses or hexagonal crystals. Formula: KFe 3 (SO 4 ) 2 (OH) 6

Word History and Origins

Origin of jarosite¹

1850–55; named after Barranco Jaroso (in Almería, Spain); -ite ¹

Word History and Origins

Origin of jarosite¹

C19: from Barranco Jaroso, in Almeria, Spain + -ite ¹

Example Sentences

Jarosite usually occurs as drusy incrustations of minute indistinct crystals with a yellowish-brown colour and brilliant lustre.

From Project Gutenberg