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jarosite

[jar-uh-sahyt, juh-roh-sahyt] /ˈdʒær əˌsaɪt, dʒəˈroʊ saɪt/
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.
Origin of jarosite
1850-1855
1850-55; named after Barranco Jaroso (in Almería, Spain); see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for jarosite

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: KFe3(SO4)2(OH)6
Word Origin
C19: from Barranco Jaroso, in Almeria, Spain + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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15
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