Question

what type of sediments forms from minerals that crystalize from seawater

Answer 1

Evaporite is a name for a water-soluble mineral sediment that result from concentration and crystallization by evaporation from an aqueous solution..........
There are two types of evaporate deposits: marine, which can also be described as ocean deposits, and non-marine, which are found in standing bodies of water such as lakes. Evaporites are considered sedimentary rocks.
For more use wikipedia :3
http://en.wikipedia.org/wiki/Evaporite

Answer 2

halite and gypsum.

Answer 3

hydrogenous sediment