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This sample of mcgovernite is displayed in the Smithsonian Museum of Natural History. Mcgovernite is a silicate mineral of magnesium, manganese, zinc and arsenic. It has the composition Mg4Mn9Zn2As2Si2O17(OH)14. The sample at left is about 10 cm across and is from Sterling Hill mine, Ogdenburg, New Jersey. It is described as mcgovernite with franklinite and willemite. The mcgovernite is bronze to brown in color, showing in the patterns on this sample.
这种mcgovernite样品陈列在史密森尼自然历史博物馆中。Mcgovernite是一种含镁、锰、锌和砷的硅酸盐矿物。其化学式为Mg₄Mn₉Zn₂As₂Si₂O₁₇(OH)₁₄。左上方的样品宽约10厘米,采自新泽西州奥格登堡的Sterling Hill矿。该样品被描述为含有mcgovernite、franklinite和willemite。Mcgovernite呈青铜至棕色,其在该样品中的花纹有所显示。
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