Final answer:
Gypsum crystal is an example of a chemical sedimentary rock that forms through the evaporation of water containing dissolved gypsum.
Step-by-step explanation:
Gypsum crystal is an example of a chemical sediment. Chemical sedimentary rocks form when chemicals are leached or dissolved from other rocks and are left behind when water evaporates. Gypsum is a mineral that forms from the evaporation of water containing dissolved gypsum. It is a non-clastic sedimentary rock.