Okanoganite-(Y)
Fórmula química: (Y,REE,Ca,Na,Th<sup>4+</sup>)<sub>16</sub>(Fe<sup>3+</sup>,Ti<sup>4+</sup>)(Si,B,P)<sub>10</sub>(O,OH)<sub>38</sub>F<sub>10</sub>
Cabinet No. 40
Fórmula química: (Y,REE,Ca,Na,Th<sup>4+</sup>)<sub>16</sub>(Fe<sup>3+</sup>,Ti<sup>4+</sup>)(Si,B,P)<sub>10</sub>(O,OH)<sub>38</sub>F<sub>10</sub>