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Ranciéite from
Cavity (S11D-47), Serra Sul Fe deposit, Canaã dos Carajás, Carajás mineral province, Pará, Brazil

Formula:(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Validity:Believed Valid
References:da Cunha Sousa, A. K., Gonçalves, D. F., & Macambira, J. B. (2015) Caracterização Petrográfica E Mineralógica de Cavernas Desenvolvidas Como Produtos de Alteração de Rochas Máficas na Unidade Espeleológica Carajás–Sudeste do Pará. In: RASTEIRO, M.A.; SALLUN FILHO, W. (orgs.) CONGRESSO BRASILEIRO DE ESPELEOLOGIA, 33, 2015. Eldorado. Anais... Campinas: SBE, 2015. p.455-460.
Mineral Data:Click here to view Ranciéite data
Locality Data:Click here to view Cavity (S11D-47), Serra Sul Fe deposit, Canaã dos Carajás, Carajás mineral province, Pará, Brazil
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