Mineral vein

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Mineral vein
Mineral vein.png
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A mineral vein is a terrain feature consisting of a natural deposit of ores or other blocks in the ground.

List[edit]

The Overworld[edit]

Block Spawn size Spawn tries Minimum height Maximum height Biomes
Dirt 33 10 0 256 All
Gravel 33 8 0 256 All
Granite 33 10 0 80 All
Diorite 33 10 0 80 All
Andesite 33 10 0 80 All
Coal Ore 17 20 0 128 All
Iron Ore 9 20 0 64 All
Redstone Ore 8 8 0 16 All
Lapis Lazuli Ore 7 1 16[note 1] 16[note 1] All
Gold Ore 9 2 0 32 All
Diamond Ore 8 1 0 16 All
Emerald Ore 1 11 4 28 Gravelly Mountains
Gravelly Mountains+
Mountains
Mountain Edge
Wooded Mountains
Gold Ore[note 2] 9 20 32 80 Badlands
Badlands Plateau
Eroded Badlands
Modified Badlands Plateau
Modified Wooded Badlands Plateau
Wooded Badlands Plateau
Infested Stone 9 7 0 64 Gravelly Mountains
Gravelly Mountains+
Mountains
Mountain Edge
Wooded Mountains
  1. a b The Lapis Lazuli distribution follows its own rules : instead of a minimum and a maximum height, it is based on a center height and a spread value. By default, these values are set to 16, meaning that Lapis Lazuli can generate within levels 0 to 32, mostly around level 16; i.e. a periodic gaussian distribution.
  2. This is the extra rolls for gold ore in badlands biomes.

The Nether[edit]

Block Spawn size Spawn tries Minimum height Maximum height Biomes
Magma Block 33 4 0 [more information needed] All
Nether Quartz Ore 14 16 10 128 All

Generation[edit]

Players can come across these veins in caverns or anywhere where there is natural stone. Underground deposits of dirt and gravel are generated in this step, followed by the more precious ores: coal, iron, gold, redstone, diamond, emerald (in mountains biomes) and lapis lazuli. They can form only in stone, andesite, diorite and granite (also in their polished variants, replacing parts of structures, and do not replace each other or any other block. Note that two or more mineral veins can form next to each other and make it look like a mineral vein made of more than one material.

The generation of ore veins utilizes 32-bit floating-point numbers, rather than 64-bit. While this does not cause issues within the vanilla bounds of the game, if the player were to generate terrain between 2^26 and 2^27 blocks, generation of ore veins would lose precision in such a way that would cause millions of chunks to attempt to load, resulting in a game crash.[1]

History[edit]

Missing Texture Block.png
This section needs more information.
Information requested: an actual history

Gallery[edit]