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]

This section needs more information.
Information requested: Blocks they can replace. (is this not already done?)
Dimension Block Can replace[note 1]
Overworld Andesite

Coal Ore
Diamond Ore
Diorite
Dirt
Gold Ore
Granite
Diorite
Gravel
Infested Stone
Iron Ore
Lapis Lazuli Ore
Redstone Ore

Andesite

Diorite
Granite
Polished Andesite
Polished Diorite
Polished Granite
Stone

Emerald Ore Stone

[more information needed]

Nether Ancient Debris[upcoming: JE 1.16]

Nether Gold Ore[upcoming: JE 1.16]
Magma Block
Nether Quartz Ore

Netherrack

[more information needed]

The Overworld[edit]

This section needs more information.
Information requested: Emerald ore uses different code for generation (see here), does this match up with the values provided on the table below?
This section needs more information.
Information requested: Nether gold ore - we already have this info elsewhere
Block Spawn size Spawn tries Minimum height Maximum height Biomes
Dirt 33 10 0 255 All
Gravel 33 8 0 255 All
Granite 33 10 0 79 All
Diorite 33 10 0 79 All
Andesite 33 10 0 79 All
Coal Ore 17 20 0 127 All
Iron Ore 9 20 0 63 All
Redstone Ore 8 8 0 15 All
Lapis Lazuli Ore 7 1 0[note 2] 30[note 2] All
Gold Ore 9 2 0 31 All
Diamond Ore 8 1 0 15 All
Emerald Ore 1 11 4 31 Gravelly Mountains
Gravelly Mountains+
Mountains
Mountain Edge
Wooded Mountains
Gold Ore[note 3] 9 20 32 79 Badlands
Badlands Plateau
Eroded Badlands
Modified Badlands Plateau
Modified Wooded Badlands Plateau
Wooded Badlands Plateau
Infested Stone 9 7 0 63 Gravelly Mountains
Gravelly Mountains+
Mountains
Mountain Edge
Wooded Mountains

The Nether[edit]

Block Spawn size Spawn tries Minimum height Maximum height Biomes
Magma Block 33 4 27 36 All
Nether Quartz Ore 14 16 10 117 All
Nether Gold Ore[upcoming: JE 1.16] 10 10 10 117 All
Ancient Debris[note 4][upcoming: JE 1.16] 3 1 8[note 2] 22[note 2] All
Ancient Debris[note 4][upcoming: JE 1.16] 2 1 8 119 All
  1. can replace the same type block, if the replaced block aren't part of the said vein.
  2. a b c d This 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 and 16 for Lapis Lazuli and 8 and 16 for Ancient Debris. Meaning that Lapis Lazuli and Ancient Debris generate mostly around level 15; i.e. a periodic gaussian distribution.
  3. This is the extra rolls for gold ore in badlands biomes.
  4. a b Ancient Debris can generate in 2 different ways.

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]

It has been requested that this section be created.
Further notes: an actual history

Gallery[edit]

References[edit]