Answer:
It comes from crystal and melts to a treat. Add it to your tea to make it sweet. What is it?
I'm the source of all emotion, but I'm caged in a white prison.
It flavors your food and divides the year up. What is it?
I'm a long curved fruit that grows in clusters and has soft pulpy flesh and yellow skin when ripe.
Dry though I may be, I am still a sea.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.