Nagashimalite
Chemical formula: Ba<sub>4</sub>(V<sup>3+</sup>,Ti<sup>4+</sup>)<sub>4</sub>(O,OH)<sub>2</sub>[B<sub>2</sub>Si<sub>8</sub>O<sub>27</sub>]Cl
Cabinet No. 40
Chemical formula: Ba<sub>4</sub>(V<sup>3+</sup>,Ti<sup>4+</sup>)<sub>4</sub>(O,OH)<sub>2</sub>[B<sub>2</sub>Si<sub>8</sub>O<sub>27</sub>]Cl