crystallize

To make something form into crystals.

I crystallized the copper sulfate by slowly cooling a saturated solution.

To assume a crystalline form.

The copper sulphate crystallized from solution.

To give a definite or precise form to (something).

After some thought, I crystallized my ideas for the paper.

To take a definite form.

My ideas crystallized overnight.

The situation did crystallize, if painfully, under the stars, and by morning each knew what he must confess.

To coat something with crystals, especially with sugar.

We crystallized the fruit by coating in sugar.