Wollastonite
摘要
Wollastonite (Ca 3[Si 3O 9] or CaO·SiO 2) is a calcium silicate with a chain structure. In the classification of mineral crystal chemistry, wollastonite belongs to the silicates, the chain silicate subclass, and the wollastonite group. In mineral material science, wollastonite belongs to the one-dimensional structural mineral category and the functional mineral subcategory.