| (Na,Ca)8(Si6Al6) O24(CO3)2
This sample of cancrinite is displayed in the Smithsonian Museum of Natural History. Cancrinite is a silicate mineral with sodium, calcium and aluminum with the composition (Na,Ca)8(Si6Al6)O24(CO3)2. The sample at left is about 8 cm across and is from Litchfield Township, Maine.
这种可以林石样品陈列在史密森尼自然历史博物馆中。可以林石是一种含钠、钙和铝的硅酸盐矿物,其化学式为(Na,Ca)8(Si6Al6)O24(CO3)2。左图中的样品宽约8厘米,来自缅因州利奇菲尔德镇。
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