Geode Biome / Larger Geodes or vary in size. Structures. Wild Allay's

Larger Geodes that are their own biome , similar to how some caves are considered biomes.   

Could add some new related blocks.  Maybe even some small structures or shrimes within them.

Possibility to find wild Alltay's in them.   Would give some context to their origins or "lore".

These geode biomes could vary in size and layout

Would give players a place to collect more calcite and amethyst as they are rare.

Calcite stalactites would be a neat feature to generate more calcite..