| Nuclide | Half-life | Initial Isotopic Ratio | Radionuclide (g−1) |
| 7Be | 53 days [8] | 1.2 × 10−3 [10] 6.1 × 10−3 [11] | 1.0 × 1013 5.3 × 1013 |
| 10Be | 1.36 × 106 yr [12] | 9.5 × 10−4 [13] | 6.4 × 1012 |