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This sample of Thomsonite is displayed in the Smithsonian Museum of Natural History. Thomsonite is classified as part of the zeolite group of silicate minerals, containing 5 of the Big 8 elements. It has the composition NaCa2(Al5Si5)O20.6H2O This sample is about 12x5 cm and is from Grand Marais, Minnesota.
这种托马斯石样品陈列在史密森尼自然历史博物馆中。托马斯石属于硅酸盐矿物中的沸石类,含有Big 8元素中的5种。其化学式为NaCa₂(Al₅Si₅)O₂₀·6H₂O。该样品尺寸约为12×5厘米,产自明尼苏达州格兰德马里斯。
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