Potassicmendeleevite-(Ce)
Chemical formula: Cs<sub>6</sub>K<sub>6</sub>(Ce<sub>22</sub>Ca<sub>6</sub>)(Si<sub>70</sub>O<sub>175</sub>)(OH,F)<sub>20</sub>ยท15H<sub>2</sub>O
Cabinet No. 40
Chemical formula: Cs<sub>6</sub>K<sub>6</sub>(Ce<sub>22</sub>Ca<sub>6</sub>)(Si<sub>70</sub>O<sub>175</sub>)(OH,F)<sub>20</sub>ยท15H<sub>2</sub>O