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Chemical formula: (Na,☐)<sub>12</sub>(☐,Na)<sub>12</sub>Sr<sub>12</sub>Zr<sup>4+</sup><sub>14</sub>(Si<sub>3</sub>O<sub>9</sub>)<sub>10</sub>[Si<sub>2</sub>BO<sub>7</sub>(OH)<sub>2</sub>]<sub>6</sub>ยท12H<sub>2</sub>O
Cabinet No. 40
Chemical formula: (Na,☐)<sub>12</sub>(☐,Na)<sub>12</sub>Sr<sub>12</sub>Zr<sup>4+</sup><sub>14</sub>(Si<sub>3</sub>O<sub>9</sub>)<sub>10</sub>[Si<sub>2</sub>BO<sub>7</sub>(OH)<sub>2</sub>]<sub>6</sub>ยท12H<sub>2</sub>O