Welinite
Chemical formula: Mn<sup>2+</sup><sub>6</sub>(W<sup>6+</sup>☐)(SiO<sub>4</sub>)<sub>2</sub>O<sub>4</sub>(OH)<sub>2</sub>
Cabinet No. 40
Chemical formula: Mn<sup>2+</sup><sub>6</sub>(W<sup>6+</sup>☐)(SiO<sub>4</sub>)<sub>2</sub>O<sub>4</sub>(OH)<sub>2</sub>