Bohseite
Chemical formula: Ca<sub>4</sub>Be<sub>3+x</sub>Al<sub>1-x</sub>Si<sub>9</sub>O<sub>25-x</sub>(OH)<sub>3+x</sub> (x = 0 to 1)
Cabinet No. 40
Chemical formula: Ca<sub>4</sub>Be<sub>3+x</sub>Al<sub>1-x</sub>Si<sub>9</sub>O<sub>25-x</sub>(OH)<sub>3+x</sub> (x = 0 to 1)