Mad Green Crystal

Mad Green Crystal is a block added by The Future Mod!.

Obtaining
Mad Green Crystal is generated underground in the Overworld at Y levels 12 to 59 (inclusive). Up to 5 Mad Green Crystal veins generates in 1 chunk, and each Mad Green Crystal vein consists of up to 6 Mad Green Crystals, making Mad Green Crystal about as rare as Redstone Ore.

Mad Green Crystal can also be crafted using the following recipe:

Usage
Mad Green Crystal emits a light level of 15, making it a strong light source.

When a player looks through Mad Green Crystal, the part of the screen that's covered by Mad Green Crystal will be shaded green.