Nickenichite
Wzór chemiczny: Na(Ca<sub>0.5</sub>Cu<sup>2+</sup><sub>0.5</sub>)MgMg<sub>2</sub>(As<sup>5+</sup>O<sub>4</sub>)<sub>3</sub>
Cabinet No. 40
Wzór chemiczny: Na(Ca<sub>0.5</sub>Cu<sup>2+</sup><sub>0.5</sub>)MgMg<sub>2</sub>(As<sup>5+</sup>O<sub>4</sub>)<sub>3</sub>