HOW TO GET
Assign a Pokemon with the Crush specialty to produce Limestone passively. You'll still find it while exploring, but the helper output adds up. It goes into 8 recipes, so having a passive supply helps.
How to get Limestone: use Rock Smash on objects in Caves. You can also get it from Crush Pokemon passively.
MoveRock Smash / Caves
1
Go to Caves
Look for rocks and breakable spots in this area.
2
Use Rock Smash
Smash rocks and boulders to crack them open.
3
Collect Limestone
Limestone falls out when you break things. Grab it before moving on.
POKOPIA LIMESTONE CRAFTING RECIPES
There are 8 recipes that call for Limestone, and 3 of those are Blocks items. Scroll through or filter by category to find what you're looking for.
8 recipes
MarbleBlocks
Limestonex4
Dark marble flooringBlocks
Limestonex4
Light marble flooringBlocks
Limestonex4
Luxury chairFurniture
Gold ingot
Fluff
Luxury dresserFurniture
Glass
Round pillar (lower)Building
Limestonex4
Round pillar (middle)Building
Limestonex4
Round pillar (upper)Building
Limestonex4