There are so many types of crystals!!!!!! like 💎 ! They are rare.ooooooooh! Emeralds, Sapphire, amethyst, rubes, etsedra. WAIT!!! A rube can make lasers! Emeralds can be used to trade with villagers. (That is from minecraft) amathiselooses all color in sunlight. There is also obsidian, turquoise, opal, if you had them all, you are🤑🤑🤑🤑🤑🤑🤑🤑🤑🤑wow.   Search up crystals