Ores
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This page is an overview page over the ores found in Minetest Game. It is accurate for version 0.4.15. Later versions may differ!
General facts
All ores are generated by replacing stone at a certain height and always are formed in clusters.
Underground ores
The underground ore generation is simple: The deeper you get, the more you find. Ores generate at a height of Y = 64 or lower, starting with coal ore and becoming more and more valuable as you go deeper. At a height of Y = -1024 or lower, all ores can be found at their peak probability. All ores (except mese blocks) are generated in 2 variants: small cluster and big cluster. The small cluster variant has clusters with a few ores and is usually less likely to appear and is found in the underground at a higher height. The big cluster variant has usually more ores per cluster and is more likely to appear, but found deeper.
Sky ores
All ores can also be generated at Y=1025 or above (i.e. high in the skies) at the same probability as common underground ores, as long there is stone. Unlike the underground ore generation, all ores already generate at peak probability at Y=1025 or above, they will not gradually become more common as you go higher.
Note that ores still require stone to be generated at all. This means you won't find any ores in the map generators v5, v6, v7, valleys and flat at default settings because no stone is generated so high. But if you use custom map generator settings, a custom modded map generator or the fractal map generator which generates stone at these extreme heights, you can find plenty of all ores at this height.
Ore-free zone
No ores are generated between Y = 65 and Y = 1025.
Ores overview
| Ore type | Drops | Weakest required tool | Ores in cluster[1] | Small at Y ≤ | Big at Y ≤ | Big at Y ≥ | Small chance[2] | Big chance[3] | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
Coal Ore |  |
1 Coal Lump |  |
Wooden Pickaxe | 8-27 | 64 | 0 | 1025 | 0.195% | 0.007% |
 |
Iron Ore |  |
1 Iron Lump |  |
Stone Pickaxe | 5-27 | 0 | −64 | 1025 | 0.291% | 0.007% |
 |
Copper Ore |  |
1 Copper Lump | |
Stone Pickaxe | 4-5 | −16 | −64 | 1025 | 0.057% | 0.137% |
 |
Gold Ore |  |
1 Gold Lump | |
Stone Pickaxe | 3-5 | −64 | −256 | 1025 | 0.045% | 0.029% |
 |
Mese Ore |  |
1 Mese Crystal |  |
Steel Pickaxe | 3-5 | −64 | −256 | 1025 | 0.036% | 0.017% |
 |
Diamond Ore |  |
1 Diamond | |
Steel Pickaxe | 4 | −128 | −256 | 1025 | 0.029% | 0.020% |
 |
Mese Block | |
1 Mese Block | |
Steel Pickaxe | 3 | −1024 | N/A | 1025 | 0.002% | N/A |
- ↑ This is the typical number of ores. It can be smaller if other structures (like dungeons) generate inside near ores and destroy them. It can be seemingly larger if two clusters generate close to each other
- ↑ Chance to generate a small cluster underground for any given stone
- ↑ Chance to generate a big cluster underground for any given stone