Bellbergite
Chemical formula: (K,Ba,Sr)<sub>2</sub>Sr<sub>2</sub>Ca<sub>2</sub>(Ca,Na)<sub>4</sub>(Si,Al)<sub>36</sub>O<sub>72</sub>ยท30H<sub>2</sub>O
Cabinet No. 40
Chemical formula: (K,Ba,Sr)<sub>2</sub>Sr<sub>2</sub>Ca<sub>2</sub>(Ca,Na)<sub>4</sub>(Si,Al)<sub>36</sub>O<sub>72</sub>ยท30H<sub>2</sub>O