The first version of the mod adds 8 gems!

When injecting, the mod will take into account some factors to define the type of gem that will be born: Blocks around, Biome and Temperature!

it is possible to paint the uniform of the gems using dyes (Uniform and Insignia), wool (Gloves and Capes) and glass panels (Visors)

Ruby: Rubies are small soldiers that use fire to attack, they can also heat up raw food by right clicking, and have a high chance of spawning in high temperature biomes!

Sapphire (Blue): Sapphires are elite rare gems with the uncanny ability to foretell the future! in the mod, clairvoyance was translated as a small minigame that the player can play by offering an iron or gold nugget for a sapphire, the minigame can result in two things: Fortunes or Curses!

if a sapphire is left still for some time, they begin to freeze the environment around them and create ice crystals that deal damage to whoever stands on top!
Sapphires are more likely to spawn in icy and end biomes!

Pearl (White): Pearls are common servants that serve as mobile chests, They can also be customized using a Blue Comb, and it is also possible to give more orders to pearls using a Conch Flute (Like chanting, and summoning a personal combat pearl), Pearls will also summon Combat Pearls when they are in danger, Combat Pearls are divided into two types: Defense and Attack, Defense Pearls will focus on pushing away the owner's targets, while Attack Combat Pearls will attack.

Pearls are more common in biomes like deserts and oceans!

Amethysts: Amethysts are stronger soldiers that have electrical powers, they accumulate electricity while fighting and then release it in a powerful attack!

Amethysts are more likely to spawn in mountain and caves biomes!

Rose Quartz: Rose Quartz are powerful soldiers that have the ability to heal themselves when they defeat an enemy!

Rose Quartzes are more likely to spawn in Jungle, Lush Cave, and Mushroom Island biomes!

Bismuths: Bismuths are builders that have the function of blacksmiths in the mod, they can fix weapons that are broken if you click with the right button.

Bismuths are more likely to spawn in mountain and hill biomes!

Lapis Lazuli: Lapis Lazulis are rare gems that serve as terraformers, to terraform, it is necessary to create a position blueprint (using paper and a blue dye), and then open the lapis lazuli inventory, add a bucket of water and the position blueprint and that's it ! are you ready to terraform.

Lapis Lazulis is more likely to spawn in ocean biomes!

Peridots: Peridots are tall green gems responsible for creating tech items (Currently: Only Gem Destabilizers), they can also be born defective, in which case, they will be born small!
Peridots are more likely to spawn in savanna and end biomes!

Additional: Rebel Gems
Rebel Gems have different looks and cannot be tamed, they don't spawn naturally (yet)!