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This sample of Benstonite is displayed in the Smithsonian Museum of Natural History. Benstonite is a carbonate mineral which contains barium, magnesium, calcium, manganese and strontium with the general composition (Ba,Sr)6(Ca,Mn)6Mg(CO3)13. This sample is about 8x8 cm and originated in Hardin County, Illinois.
这个本斯顿石样本陈列在史密森尼自然历史博物馆中。本斯顿石是一种碳酸盐矿物,含有钡、镁、钙、锰和锶,其一般化学式为(Ba,Sr)6(Ca,Mn)6Mg(CO3)13。该样本尺寸约为8x8厘米,产自伊利诺伊州哈丁县。
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