effect "debt of luck" - an effect that, in the presence of the "luck" effect, will take away experience from you, when the experience ends, the "luck" and "debt of luck" effects will be removed
at the moment of beta 0.3, there are the following types of apples (only features are indicated):
1🍎 Coal apple - nothing but effects
2🍎 Copper apple - during rain you have a 50% chance to be struck by lightning
3🍎 Iron apple - 10% chance to summon an Iron Golem
4🍎 Amethyst apple - gives you and all mobs within a 10 block radius a glowing effect
5🍎 Lapis lazuli apple - gives a unique "debt of luck" effect
6🍎 Diamond apple - nothing but effects
7🍎 Emerald apple - nothing but effects
8🍎 Quartz apple - when trying to eat the apple will fall apart
9🍎 Raw netherite apple - nothing but effects
10🍎 Netherite apple - you will break a tooth
P.S. mod is under development, it can change completely with each version