This Is A Forge Mod That Adds Custom Structures and other things.
The Ore List:
•Amethyst
•Ruby
•Platinum
•Palladium
•Pyrite
•Agate
•Topaz
•Sodalite
•Bitcoin
•End Iron
The Coming Things:
•Obsidian Armor and tools
•Emerald Armor and tools
•Spawning Custom Forests
•More Mobs
•Stalagmites or Stalagtites
•1.17 Update Coming Soon
New mod link
https://www.curseforge.com/minecraft/mc-mods/realistico-ores