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Oxide minerals / Mineralogy / Birnessite / Manganese oxide / Tephroite / Nodule / Manganese / Cummingtonite / Mineral / Chemistry / Matter / Natural resources


(Na, Ca)0.5(Mn4+ , Mn3+)2 O4 • 1.5H2 O Birnessite c[removed]
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Document Date: 2007-09-30 00:35:16


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