What's this red crystal for?

Hint 1 of 4:

(In case you didn't find it, it's on the screen just past the monster in
the water.)

Hint 2 of 4:

Use your science tricorder on the crystal to find out.

Hint 3 of 4:

A bit of raw dilithium will certainly come in handy.

Hint 4 of 4:

Try cutting a piece off.