| Name: | Celestine |
| Derivation: | From "coelestus" (Latin) heavenly - because it is often blue |
| Formula: | SrSO4 |
| Description: | Pale blue translucent crystals, although it can be white. |
Celestine contains strontium. Bengalese priests used celestine to make vividly crimson Bengalese fires. This colour was caused by the strontium, which is also used in modern fireworks.
