At what altitude can emerald be found?

[Venom]

Alt 0-20
2-60 blocks below surface
10+ below liquid

Useful References

Where to find mined resources on a world If you’re looking for which worlds to find gems on (and a bunch of other helpful tips!), take a look at @OmniUno’s article Resource Altitude Range Surface Distance Liquid Distance Soft Coal Seam any 5+ Coal Seam any 20+ Hard Coal Seam any 50+ Copper Seam any 2+ Iron Seam any 5+ Silver Seam 10-40 20-70 Gold Seam 10-20 25+ Titanium Seam any 70+ Amethyst Seam 0-20 5-60 0-25 Diamond Seam 0-30 70+ Emerald Seam 0-20 2-60 10…