隐锰铁矿
双锰矿
软锰矿
锰铁矿
锰
钾
高锰酸钾
化学
氧化锰
无机化学
有机化学
量子力学
铁磁性
物理
出处
期刊:Mineralogical Magazine
[The Mineralogical Society]
日期:1971-12-01
卷期号:38 (296): 493-502
被引量:584
标识
DOI:10.1180/minmag.1971.038.296.12
摘要
Summary Detailed methods are described for the laboratory preparation of the manganese minerals manganosite, hausmannite, manganite, partridgeite, birnessite, cryptomelane, pyrolusite, and todorokite. New data are presented on the conversion of birnessite to cryptomelane, and on the exchange properties of potassium in these two minerals. It was found that the upper limit of potassium in cryptomelane is about 7 % K, while the lower limit lies between 0·25 % and 2·2 % K.
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