| (Al,Fe)7(SiO4)3(BO3)O3
(Al,Fe)₇(SiO₄)₃(BO₃)O₃
This sample of Dumortierite is displayed in the Smithsonian Museum of Natural History. Dumortierite is a silicate with boron , or a borosilicate, with the composition (Al,Fe)7(SiO4)3(BO3)O3 . This sample is about 15x20 cm and is from Dehesa, California.
这种杜莫利特石样品陈列在史密森尼自然历史博物馆中。杜莫利特石是一种含硼的硅酸盐,或称硼硅酸盐,其化学式为(Al,Fe)7(SiO4)3(BO3)O3。该样品尺寸约为15x20厘米,来自加利福尼亚州的德赫萨。
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