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[Burnessite] [2005-8-24]
iamet 发表在 ℃〖化学〗
| | A manganese oxide whose structure is not known, but which consists of very small crystals. It is the most common manganese oxide, and is known as "desert varnish." One theory for its formation is that it precipitates when organic cells change their pHs in the process of turning into spores. |
学好数理化，走遍天下都不怕！ | |
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