Potential Resources
World Placement Rules
BiomesPer ZoneScaleGroup SizeConditions
3012 to 3Altitude: 0 to 1 000; Terrain tilt: 22 to 90; Group radius: 2
511Altitude: -3 to 1 000; Terrain tilt: Up to 90; Group radius: 1

Console command

Use after enabling developer commands with devcommands.

spawn Pickable_Stone 1