Alunite : KAl3(SO4)2(OH)6
35mm
Photo added to mindat.org
“Yellow alunite on gossan. Jon Mommers photo.”
Ralph S Bottrill - 10th August 2014
Photo added to mindat.org
“Yellow alunite on gossan. Jon Mommers photo.”
Ralph S Bottrill - 10th August 2014
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