| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 1828 | [1] | CaSO4 · 2H2O | *I 2/a |
| 2. | 1829 | [2], at 4.2oK | CaSO4 · 2[HH]2O | *I 2/a |
| 3. | 1830 | [3], at 150oK | CaSO4 · 2[HH]2O | *I 2/a |
| 4. | 1831 | [4], at 320oK | CaSO4 · 2[HH]2O | *I 2/a |
| 5. | 4946 | [5], at 0.0001 Gpa | CaSO4 · 2H2O | C 2/c |
| 6. | 4947 | [6], at 1.01 Gpa | CaSO4 · 2H2O | C 2/c |
| 7. | 4948 | [7], at 3.94 Gpa | CaSO4 · 2H2O | C 2/c |