K4SrGe3O9 cP272 205, Quaternary

• C400309-6
• C400310-7
• S1503502
• S1535107
• S1602205
• S1705223
• S1705224
• S1705225
• S1713166
• S1910086
• S1925672
• S1929429
• P1122963-1
• P1122963-2
• P1122963-3
• P11602205-1
• P11929429-1