Blue Crystal

Blue crystal is a generic name used to all crystals inside rocks.

It is also a type of crystal.

Acquiring
Blue crystal is easily found by mining the deeper layers of each world or by removing the decorated stone walls of Crypts. It can be purchased in the shop for 6 coins. And it is also dropped by:
 * Guardian with 40% chance;
 * King Mummy with 2% chance;
 * Mummy with 2% chance.

Blue Crystal

 * Not to be confused with the .

Blue crystal is used in the following recipes:

Dark Crystal
Dark crystal is used in the following recipes:

Green Crystal

 * Not to be confused with the .

Green crystal is used in the following recipes:

Purple Crystal
Purple crystal is used in the following recipes:

Red Crystal

 * Not to be confused with the .

Red crystal is used in the following recipes: