Taipingite-(CeCa)
Chemical formula: (Ce<sup>3+</sup><sub>7</sub>Ca<sub>2</sub>)☐Mg(SiO<sub>4</sub>)<sub>3</sub>[SiO<sub>3</sub>(OH)]<sub>4</sub>F<sub>3</sub>
Cabinet No. 40
Chemical formula: (Ce<sup>3+</sup><sub>7</sub>Ca<sub>2</sub>)☐Mg(SiO<sub>4</sub>)<sub>3</sub>[SiO<sub>3</sub>(OH)]<sub>4</sub>F<sub>3</sub>