Pyrolusite
吡罗石
 | MnO2MnO₂
These samples of pyrolusite are displayed in the Smithsonian Museum of Natural History. Pyrolusite is an oxide mineral of manganese with the composition MnO2 . This sample of pyrolusite is about 14 cm across and is from Amapa Territory, Serra do Navio, Brazil. 这些pyrolusite样本陈列在史密森尼自然历史博物馆中。pyrolusite是一种氧化锰矿物，化学式为MnO₂。这块pyrolusite样本宽约14厘米，来自巴西Serra do Navio地区的Amapa领土。
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This sample of pyrolusite is from Boston Hill Mine, Silver City , New Mexico. The sample is about 8x10 cm. 这块pyrolusite样本来自新墨西哥州Silver City的Boston Hill矿。样本尺寸约为8x10厘米。
See manganese oxide for an example of dendritic crystal growth. 见氧化锰，以了解枝晶状晶体生长的例子
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This sample is about 6x6 cm and is from Marienberg, Westerwald, Rhineland-Pfalz, Germany. 这个样本大约是6x6厘米，来自德国莱茵河畔巴尔县（Westerwald，Rhineland-Pfalz）。
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Mindat: Pyrolusite
Mindat: 玛瑙
| Minerals
矿物 |
索引
| HyperPhysics*****Geophysics
HyperPhysics ***** 地球物理学 | R Nave |
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