Gem vein ore

I would like it if there would be a new ore called gem vein that has random percent chance to drop rubys sapphires peridot topaz tanzanite jade aquamarine painite and alexandrite i also think emeralds could also be in and they should all and the should be between diamond and netherite and to balance it out it could be the rarest ore in the game and all the ores or gems found in it could be combined to make a alloy gem that’s stronger than netherite pls read this mojang i hope people like the idea