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GregTech 6 has hundreds of ores and more than a dozen types of stone to harvest. Some types of stone are themselves ores, or are valuable resources in their own right. This guide covers all of the different goods a GregTech 6 player can find in or beneath the earth.

Stones[]

GregTech 6 adds several new types of stone which will generate in the world. These new stones have various properties and mining levels, which form the basis of the new Ore Layers world generation. Each type of stone layer can be found at any world height, but the layers can only be ore-bearing when they are found at heights specific to those ores. Some types of stone can be processed for resources even when they do not contain ores.

Stones in the form of small Rocks found on the surface (sometimes informally called pebbles, not to be confused with stone Scrap (material form) Pebbles) can be used to craft tools including Pickaxes and Hammers, allowing players to obtain tools with Diamond mining level early in the game. Having these tools will be essential to mining ores contained in layers of tough stones like Basalt and the Granites. Many of the surface Rocks will be Ore-bearing Rocks instead of simple stone Rocks. These special Rocks indicate that there is a block of Ore directly below the Rock, which may appear at any height. Ore-bearing Rocks are only found above buried Ore blocks that are part of an Ore Layer, Mix Vein, or Bedrock Ore, meaning that they will always indicate a large deposit of Ore rather than a single block.

Hammers made from these stones can be as durable as ones made from Lead, offering a substantial cost savings if they are used in place of metal Hammers. Cobblestone of each stone type except vanilla can be hammered to obtain their corresponding Rocks used to craft Hammers and Pickaxes.

Name Mining Level Durability Innate Resources
Black Granite 3 6400 Feldspar, Biotite, Flint
Red Granite 3 6400 Feldspar, Biotite, Flint
Basalt 2 3200 Olivine, Calcite, Flint, Dark Ashes
Komatiite 2 3200 Olivine, Magnesite, Flint, Dark Ashes
Kimberlite 2 2400
Marble 1 1600 Calcite
Limestone 1 1600 Calcite
Granite 1 6400 Feldspar, Biotite, Flint
Diorite 1 1600
Andesite 1 1600
Green Schist 1 2400
Blue Schist 1 2400
Quartzite 1 3200 Silicon Dioxide, Quartzite (Gem)
Deep Slate 1 3200
Stone (Vanilla) 1 1600

Rock Ores[]

The ores Bauxite, Lignite Coal, Anthracite Coal (i.e. Vanilla Coal), Rock Salt, Salt, Oil Shale, Gypsum, and Milky Quartz are now considered Rock Ores, which means that instead of being found as ores within a layer of stone, they are now found as entire stone layers consisting of a solid mass of thousands of blocks of a single ore. They are also dense ores, that produce two Raw Ores when mined, or more with Fortune. Rock ore layers abruptly stop at y=23, being replaced with (Deep)Slate below. "This prevents flammable Ores near Lava in most cases."

Three other layers could be pure ore, if the other mod block exists: Underground Biomes Lignite and Mineralogy Nitrate and Sulfur Ores. Otherwise these layers generate as Granite.

Name Mining Level
Anthracite Coal 0
Lignite Coal 0
Salt 1
Rock Salt 1
Bauxite 2
Oil Shale 1
Gypsum 1
Milky Quartz 1

Soft Earth[]

GregTech 6 several additional clays, which substitute for vanilla Clay in crafting Crucibles, Molds, and other Ceramic equipment. All of these Clays will generate in large clay pits just beneath the surface of Plains and Savannah biomes. A Spade may be used to harvest any Clay as solid blocks instead of items.

Mud blocks will surround the water found in Swamp biomes, replacing any Dirt that would normally appear. Mud slows the movement speed of players and entities that walk across it, and may be smelted to obtain ordinary Dirt. A Spade may also be used to harvest Mud as solid blocks instead of items.

Black Sand forms large patches beside and under River biomes. It is Magnetite dust, which can be sifted or magnetically separated for Gold dust and nuggets plus some other materials, but when centrifuged is the primary source of V2O5 (Vanadium Pentoxide, a catalyst in sulfuric acid production).

Ores[]

Like in previous versions of GregTech, standard Vanilla ore generation is disabled and all vanilla ores will generate in Gregtech's unique distribution patterns. These patterns are compatible either by default or through configuration with almost all ores from almost all other mods, so unless explicitly noted, ore generation from other mods can and should be disabled, as GregTech will compensate.

GregTech ore blocks do not work exactly like other ore blocks. Most mods treat their ores as single blocks, with nothing special to them except for the few that must be harvested with Silk Touch or can be mined with a Fortune pick to increase yield. Most GregTech ores are non-ticking Tile Entities, defined less by block ID or metadata than by TileEntity data. Each of these TEs contains only two variables: the internal ID of the ore, and a True/False boolean indicating whether the ore block was placed by world generation or by other means. This is mainly used to determine whether or not the drops can be enhanced by a Fortune pick or Dynamite. Their being TEs though has some unfortunate consequences: not all mods are prepared to deal with TE ore blocks, and so GregTech ores are not always mined by other mods' automated mining systems (for example, for several months, the IC2 Miner could not mine GregTech ores), or may be replaced with useless Empty Ore when moved by other mods (such as the Twilight Forest Miner's Tree, or in the pit of an Applied Energistics 2 meteor). The rendering of GregTech 6 ores is greatly improved over previous versions. Ores will no longer display telltale rendering artifacts when viewed at steep angles, nor will they noticeably interfere with smooth lighting and shading, affording them a much more natural look. (However, OptiFine's modifications to shading may still make them stand out.) A subset of GregTech ores are made in an additional variant specifically for generation in the Twilight Forest in vanilla-alike lumps; these are simple blocks like other mods' and are fully compatible with all the trouble points listed above.

There are four types of ore generation: Small Ores, Mix Veins, Ore Layers, and Bedrock Ores. Both Ore Layers and Bedrock Ores are new in GregTech 6.

Small Ores[]

Small Ores generate as semi-common single blocks. They are intended as a way to get started and acquire initial tools, but are not intended to be used as primary sources of metal for machinery. When broken, they drop a Crushed Ore or, if applicable, a Gem of some quality. They may also drop a Dust of the Stone they were found in. Small Ores cannot be picked up with a Silk Touch Pickaxe, however a Fortune Pickaxe will slightly increase their yields. Importantly, Small Ores can be mined at 1 mining level lower than the ores they contain (to a minimum of the stone type's mining level), allowing a miner with a Stone-level pickaxe to obtain enough Copper and Tin to begin crafting Bronze tools and machines. In GregTech 6, Small Ores can appear in any type of GregTech stone, and will also appear in Sand or Gravel. As a result, Deserts and Beaches present a large number of Small Ores clearly visible on the surface.

Mineral Min Y Max Y Amount Dimensions Other Worlds Requirement
Copper 60 120 16 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Chalcopyrite 60 120 16 Overworld, End Erebus, Betweenlands, Atum Mars
Malachite 40 70 8 Overworld, End Erebus, Betweenlands, Atum Mars
Tin 60 120 16 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Cassiterite 60 120 16 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Zinc 40 70 4 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Sphalerite 30 60 12 Overworld, End Erebus, Betweenlands, Atum Mars
Smithsonite 30 60 2 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Stibnite 20 40 2 Overworld, End Erebus, Betweenlands, Atum Mars
Bismuth 80 120 8 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Lead 40 80 16 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Galena 40 80 16 Overworld, End Erebus, Betweenlands, Atum Mars
Silver 20 40 4 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Gold 20 40 4 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Pyrite 20 40 4 Overworld, End Erebus, Betweenlands, Atum Moon, Mars, Asteroids, Planets
Hematite 40 80 24 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Pyrolusite 20 40 4 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Planets
Garnierite 20 40 4 Overworld, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Pentlandite 20 40 4 Overworld, End Erebus, Betweenlands, Atum Mars
Scheelite 5 50 1 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Coltan 1 250 1 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim
Salt 40 80 6 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Rocksalt 40 80 6 Overworldm Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Borax 10 40 4 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars
Asbestos 20 40 8 Overworld, Nether Erebus, Betweenlands, Atum
Diamond 5 10 2 Overworld, Nether Erebus, Betweenlands, Atum, Aether Moon, Mars, Asteroids, Planets
Amber 5 70 1 Overworld Erebus, Betweenlands, Atum, Aether
Craponite 5 250 2 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets
Redstone 5 20 16 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets
Lapis 20 40 8 Overworld Erebus, Betweenlands, Atum, Alfheim, Aether
Eudialyte 20 40 4 Overworld
Azurite 20 40 4 Overworld
Coal 60 100 24 Overworld Erebus, Betweenlands, Atum
Graphite 5 10 2 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Asteroids
Pollucite 1 250 1 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim
Zeolite 1 250 1 Overworld, Nether Erebus, Betweenlands, Atum, Alfheim
Platinum 20 40 6 End Alfheim, Aether Asteroids
Iridium 20 40 6 End Alfheim, Aether Asteroids
Sperrylite 20 40 4 End Alfheim, Aether Asteroids
Cooperite 20 40 4 End Asteroids
Naquadah 10 80 6 End Mars, Asteroids, Planets
Trinium 10 80 12 End Mars, Asteroids, Planets
Dolamide 5 250 8 Mars, Asteroids, Planets
Endium 10 80 32 End
Sugilite 10 80 16 End
Ambrosium 30 120 64 Aether
Zanite 30 120 16 Aether
Sulfur 5 15 8 Overworld Erebus, Betweenlands, Atum Mars
Niter 10 120 32 Nether
Efrine 90 120 8 Nether
Cinnabar 5 250 16 Nether
Ancient Debris 5 90 16 Nether Mars No other mod adds it
Black Quartz 20 40 1 Overworld Erebus, Betweenlands, Atum Actually Additions
Certus Quartz 20 40 1 Overworld Erebus, Betweenlands, Atum, Alfheim, Aether Moon, Mars, Asteroids, Planets Applied Energistics
Vinteum 30 60 8 Overworld Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Ars Magica
Chimerite 10 40 8 Overworld Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Ars Magica
Red Hexorium 0 60 30 Overworld Erebus, Betweenlands, Atum HEXCraft
Green Hexorium 0 60 30 Overworld Erebus, Betweenlands, Atum HEXCraft
Blue Hexorium 0 60 30 Overworld Erebus, Betweenlands, Atum HEXCraft
Black Hexorium 0 20 6 Overworld Erebus, Betweenlands, Atum HEXCraft
White Hexorium 0 20 6 Overworld Erebus, Betweenlands, Atum HEXCraft
Infused Entropy 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Infused Fire 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Infused Air 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Infused Water 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Infused Earth 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Infused Order 10 60 8 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Thaumcraft
Bischofite 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Datolite 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Mica 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Gypsum 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Potassiumfeldspar 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Trona 40 80 1 Overworld Erebus, Betweenlands, Atum IHL
Nikolite 10 40 4 Overworld, Nether, End Erebus, Betweenlands, Atum, Alfheim, Aether Mars, Planets Any mod adds Teslatite, Electrotine, or Nikolite

Mix Veins[]

Mix Veins are the 3x3 chunk veins familiar to GregTech 5 players. Mix Veins can contain up to four different ores. Vein contents are dependent upon height and dimension, but are not dependent upon biome. Veins can range in size from 16x16x5 up to 80x80x8 blocks, with very few and small gaps between ore blocks. In GregTech 6, ores found in Mix Veins can replace any type of GregTech or Vanilla stone, and will also appear in Sand or Gravel. By default, Mix Veins will not generate in the Overworld (due to being replaced by the new ore layer system described below) nor most other dimensions added by supported mods. They do generate on Galacticraft expansion's and Advanced Rocketry planets, The Aether, Alfheim, Atum, Betweenlands, the Deep Dark, and Erebus.


Ore Layers[]

Ore Layers are new in GregTech 6 and will generate only in the Overworld, the Nether, the EnviroMine Cave Dimension, Caveworld 2 dimensions, Aroma97's Mining Dimension, Mystcraft Ages, and the Witchery Spirit World. Ore Layers replaces not only the vanilla ore generation, but also the generation of Stone underground. Vanilla Stone is replaced by large layers of the various GregTech (and other modded) stones, each two to twenty blocks thick and about six chunks across. A single column of rock will be made of several layers of different stones. Each stone layer can appear at any height, and share an equal-weight chance with the Rock Ore layers (each 1 in 130).

When an ore-bearing stone layer is found at the correct height, many of its stone blocks will instead be ore blocks masked as the stone of a type listed at that height level. Ore blocks near the top and bottom edges of the layer will be small ores, while those near the middle will be normal-sized ores. Each type of ore is associated with a type of stone, so Chalcopyrite Ore for example will only ever be found in a layer of Marble, and never in a layer of Granite.

Unlike in previous version of GregTech, multiple veins may be found in a single chunk; the number of layered ore veins that may be found in a single column of rock is only limited by the number of different stones in that column. Ore-bearing Rocks can be found on the surface and in caves indicating the topmost normal ore (not small) at that x-z coordinate below; when multiple ore-bearing layers overlap rocks can be from any of the veins that are below. When multiple ores are listed for the same stone type and elevation they will generally be interspersed; however sets of ores that will not cross-mix (meaning, for example, that a vein of Thaumcraft crystals will always be a single pure type, and Amber will never mix with Cinnabar).

Ores found in stone layers are still blocks of that particular stone and will inherit its minimum mining level, so a Pickaxe or Hammer of mining level 3 is needed to mine any ores found in layers of Black or Red Granite. As noted above, those stones themselves can be used to make Pickaxes of the appropriate type.

GregTech ore blocks drop as Broken Ore blocks normally, or as Crushed Ore when mined with a Hammer. If mined with a fortune effect they instead drop, usually multiple, Raw Ore items.

Some ores will only be present in specific types of biomes. Ores originating from many supported mods will also generate in ore layers, sometimes as GT ores rather than that mod's ore block.

Stone Layer Ore Min Y Max Y Ores per 384 Stone Biomes / Mods
Slate (or Deepslate) Emerald [1] 0 32 6 MOUNTAINS
Diamond [1] 0 12 6 JUNGLE or VOLCANIC
Lapis [1] 16 24 96 FROZEN or TAIGA
Redstone [1] 0 20 24
Gold [1] 0 16 12 MESA
Copper [1] 0 32 24 DESERT or SAVANNA
Iron [1] 0 32 24 SWAMP or WOODS
Coal [1] 0 32 24 PLAINS or SHROOM
Nikolite 0 20 12 Any mod adds Teslatite, Electrotine, or Nikolite
Black Hexorium 0 16 12 HEXCraft
White Hexorium 0 16 12 HEXCraft
Deep Iron 0 16 24 Metallurgy
Stone (various) x10 nothing 0
Stone (or Chert) x3 nothing 0
Stone (or Mineralogy Pumice) nothing 0
Stone (or UB Ecologite) nothing 0
Stone (or UB Greywacke) nothing 0
Stone (or UB Migmatite) nothing 0
Stone (or PFAA "Peridotite") Olivine 32 64 6
Stone (or EB Dacite) nothing 0
Stone (or UB Dacite) Nikolite 0 20 12 Any mod adds Teslatite, Electrotine, or Nikolite
Stone (Vanilla) <1> Vinteum 16 40 6 Ars Magica
InfusedOrder 24 40 6 MAGICAL_GOOD, Thaumcraft
InfusedWater 48 64 6 MAGICAL_GOOD, Thaumcraft
InfusedEarth 0 16 6 MAGICAL_GOOD, Thaumcraft
Cinnabar 16 40 12 MAGICAL_GOOD, Thaumcraft
Stone (Vanilla) <2> Uraninite 0 48 24 HBM Nuclear Tech
InfusedEntropy 24 40 6 MAGICAL_GOOD, Thaumcraft
InfusedAir 48 64 6 MAGICAL_GOOD, Thaumcraft
InfusedFire 0 16 6 MAGICAL_GOOD, Thaumcraft
Amber 16 40 12 MAGICAL_GOOD, Thaumcraft
Stone (Vanilla) <3>
Emerald [2] 16 60 6 MOUNTAINS
Diamond [2] 8 24 6
Lapis [2] 16 48 16
Redstone [2] 8 24 48
Gold [2] 8 32 12
Gold [2] 33 64 12 MESA
Copper [1] 20 50 24 MESA or DESERT or SAVANNA
Iron [2] 40 80 48
Coal [2] 60 100 48
Silverfish infested [2] 0 255 6
Stone (Vanilla) <4> Hematite 30 70 64
Jasper 40 64 6 MOUNTAINS
Blue Jasper 40 64 6 FROZEN
Green Jasper 40 64 6 DESERT
Yellow Jasper 40 64 6 SAVANNA
Rainforest Jasper 40 64 6 JUNGLE
Ocean Jasper 40 64 6 OCEAN_BEACH
Tiger Eye 40 64 6 TAIGA
Cat's Eye 40 64 6 SWAMP
Dragon Eye 40 64 6 PLAINS
Hawk's Eye 40 64 6 RIVER_LAKE
Black Eye 40 64 6 MESA
Tiger Iron 40 64 6 SHROOM
Stone (Vanilla) <5> Red Hexorium 0 64 6 HEXCraft
Green Hexorium 0 64 6 HEXCraft
Blue Hexorium 0 64 6 HEXCraft
Black Hexorium 0 20 6 HEXCraft
White Hexorium 0 20 6 HEXCraft
Komatiite (or Gabbro) x3 nothing 0
Komatiite (UB) nothing 0
Komatiite (GT) Magnesite 20 50 24
Cinnabar 0 32 32
Redstone 0 30 48
Pyrite [3] 0 30 32
Kimberlite nothing 0
Kimberlite Diamond 0 12 3
Spinel 24 48 6 MOUNTAINS
BalasRuby 24 48 6 JUNGLE
Basalt (various) x6 nothing 0
Basalt (HBM) Asbestos 16 48 24
White Fluorite 0 48 24
Sulfur 0 32 48
Basalt (UB) Bastnasite 24 32 16
Monazite 24 32 12
Pyrolusite 16 48 48
Basalt (GT) Olivine 0 32 12
Uvarovite 8 40 12
Grossular 16 48 12
Chromite 32 64 48
Andesite (or Rhyolite) x4 nothing 0
Andesite (various) x2 nothing 0
Andesite (UB) Bromargyrite 0 32 48
Andesite (GT) Gold 0 32 32
Gold 33 64 48 MESA
Marble (or UB Talc) nothing 0
Marble (or Chalk) x2 nothing 0
Marble (various) x6 nothing 0
Marble (UB) Dioptase 24 48 6 MOUNTAINS
Marble (GT) Cassiterite 40 80 24
Stannite 38 82 24
Kesterite 38 82 24
Sphalerite 10 30 48
Chalcopyrite 0 20 48
Pyrite [3] 0 30 32
Limestone (or Dolomite) x2 nothing 0
Limestone (or UB Dolomite) Bone 30 60 48
Limestone (various) x4 nothing 0
Limestone (Chisel) Salt [4] 40 80 48
Limestone (UB) Stibnite 10 30 16
Galena 30 120 48
Lead 50 70 24
Limestone <1> (GT) Pyrite [3] 0 30 24
Arsenopyrite 0 20 24
Galena 5 25 48
Galena 80 120 48
Wulfenite 30 45 12
Powellite 35 50 12
Molybdenite 30 50 3
Tetrahedrite 40 80 48
Copper 40 80 24
Limestone <2> (GT) Scheelite 0 16 6
Wolframite 0 16 6
Ferberite 0 16 6
Huebnerite 0 16 6
Tungstate 0 16 6
YellowLimonite 16 48 48
BrownLimonite 32 64 48
Malachite 16 64 32
Azurite 16 64 16
Black Granite (various) x2 nothing 0
Black Granite (GT) Cooperite 0 16 12
Sperrylite 0 16 12
Iridium 0 8 6
Emerald 24 48 6 MOUNTAINS
Aquamarine 8 32 6 OCEAN_BEACH
Morganite 24 48 6 JUNGLE
Heliodor 24 48 6 DESERT
Goshenite 24 48 6 FROZEN
Bixbite 24 48 6 SAVANNA
Maxixe 24 48 6 TAIGA
Red Granite (various) x2 nothing 0
Red Granite (GT) Pitchblende 0 18 12
Uraninite 0 16 12
Tantalite 30 40 6 HBM Nuclear Tech
Columbite 30 40 6 HBM Nuclear Tech
Coltan 20 50 24 HBM Nuclear Tech
Granite <1> (GT) BlueTopaz 8 32 6 OCEAN_BEACH
Topaz 24 48 6 FROZEN
Granite <2> (GT) Apatite 32 64 48
Phosphate 36 60 16
Phosphorite 40 56 16
Red Phosphorus 44 52 16
Diorite (various) x3 nothing 0
Diorite <1> Sapphire 24 48 6 FROZEN
GreenSapphire 24 48 6 JUNGLE
YellowSapphire 24 48 6 MOUNTAINS
OrangeSapphire 24 48 6 SAVANNA
BlueSapphire 8 32 6 OCEAN_BEACH
PurpleSapphire 24 48 6 TAIGA
Ruby 24 48 6 DESERT
Diorite <2> Garnierite 16 48 48
Pentlandite 24 56 48
Cobaltite 32 64 48
Craponite 24 48 6 JUNGLE
Amethyst 24 48 6 TAIGA
Alexandrite 24 48 6 JUNGLE
Stone (or Gneiss) x3 nothing 0
Stone (or HBM Gneiss) Graphite 0 64 48
Asbestos 0 48 48
Methane 0 48 64 HBM Nuclear Tech
Uraninite 0 48 24 HBM Nuclear Tech
Stone (or PFAA Pink Schist) nothing 0
Stone (or EM Gray Schist) nothing 0
Green Schist (various) x2 nothing 0
Green Schist (GT) Andradite 8 40 12
Almandine 16 48 12
Blue Schist (various) x2 nothing 0
Blue Schist (GT) Spessartine 8 40 12
Pyrope 16 48 12
Shale (various) x6 nothing 0
Slate (various) x10 nothing 0
Quartzite (or PFAA Red Sandstone) Niter 40 70 64 DESERT
Quartzite (or PFAA Sandstone) Niter 40 70 64 DESERT
Quartzite (or EB Sandstone) Niter 40 70 64 DESERT
Quartzite (or Siltstone) x2 nothing 0
Quartzite (various) x2 nothing 0
Quartzite (GT) CertusQuartz 16 48 24
Barite 0 32 12
  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Generates Et Futurum ore blocks if available.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Generates vanilla ore blocks
  3. 3.0 3.1 3.2 Appropriate to its nickname of "Fool's Gold", Pyrite ores are labeled "Gold Ore" when initially found and mined. They cannot be distinguished from actual Gold until crushed, or by reading the contained materials list shown by pressing F3+H. True GregTech Gold Ore will only be found in layers of Andesite or (Deep)Slate, or blooming from a Bedrock Gold vein (while Vanilla Gold Ore can be found in Vanilla Stone).
  4. Generates as Pam's salt ore, if the layer generated with Chisel limestone (to match texture).

Interface Ores[]

Some ores will only be found where a particular stone type is directly overlapping a layer of another stone type. It will be present in both layers in the nearest two or three blocks to the interface; the Rock Ores cannot have other ores in them though. It does not matter if either of the two layers is ore-bearing by themselves, only the type of stones meeting.

One Stone Layer Other Stone Layer Ore Min Y Max Y Ores per 384 Stone Biomes or Mod Required
Stone (Vanilla) Coal , Lignite, or Oil Shale Amber 30 70 96 OCEAN_BEACH
Amber 30 70 48 RIVER_LAKE
Dominican Amber 30 70 48 SHROOM
Komatiite Basalt Perlite 0 16 96
Gabbro Basalt Perlite 0 16 96
Limestone Basalt Ilmenite 0 32 48
Rutile 0 32 32
Dolomite <top> Diorite <bottom> Opal 48 64 6
Diatomite 16 64 24
Dolomite Rock Salt Iodine Salt 32 64 32
Dolomite Quartzite Kyanite 32 72 24
Lepidolite 16 48 48
Spodumene 32 64 48
Tantalite 16 48 3 HBM Nuclear Tech
Columbite 16 48 3 HBM Nuclear Tech
Coltan 8 56 12 HBM Nuclear Tech
Talc Salt Borax 16 48 48
Chalk Quartzite Asbestos 0 48 96
Talc 0 80 96
Glauconite 32 80 96
Rhyolite Quartzite Alunite 32 80 96
Gypsum Gneiss Mirabilite 16 64 48
Trona 16 64 48
Granite Salt Zeolite 16 48 48
Granite Rock Salt Pollucite 16 48 48
Red Granite Gneiss Vermiculite 48 80 48
Asbestos 16 48 6
Black Granite Gneiss Mica 16 48 48
Biotite 16 48 24
Black Granite Marble Lapis 0 48 48
Sodalite 0 48 24
Lazurite 0 48 24
Pyrite 0 48 24
Black Granite <top> Basalt <bottom> Diamond 0 32 6
Pink Diamond 0 32 8 JUNGLE
Graphite 0 32 48
Black Granite Red Granite Zircon 0 32 16
Black Granite Granite Zircon 0 32 16

These check the desired material of the layer, not the actual block that is spawned. So if no mod creates the correct block it will default to another when generated, as mentioned in the stone layers table above.

Material Default Block
Gneiss Stone
Siltstone Quartzite
Dolomite Limestone
Talc Marble
Chalk Marble
Rhyolite Andesite
Gabbro Komatiite
Dacite Stone
Chert Stone

Bedrock Ores[]

New in GregTech 6, many ores can be found embedded in the Bedrock at the bottom of the world. These Bedrock Ores provide an infinite supply of ores, but cannot be harvested by hand, the Bedrock Mining Drill must be used to extract them. Bedrock Ore deposits are indicated by flowers found on the surface (if the surface blocks can support them) mixed with Rocks containing Raw Ore chunks, and also by a "muffin" cloud of matching Normal and Small ores in the stone directly above Bedrock divot (which is replaced with Deepslate when Et Futurum is present). These indicator ores will spawn in any stone type, so if an ore is found below Y=8 in a type of stone where it does not normally appear, this is a sure sign a Bedrock Ore deposit is beneath it. Further, several intermittent trails of Small Ore blocks generate winding up from the indicator ore cloud to world sea level, in every available stone type, gravel, or sand.

Material Probability Flower Dimension restrictions
Diamond 1/128000 Pandanus Candelabrum
Tungstate 1/96000 Tungstus
Ferberite 1/96000 Tungstus
Wolframite 1/96000 Tungstus
Stolzite 1/96000 Tungstus
Scheelite 1/96000 Tungstus
Huebnerite 1/96000 Tungstus
Russellite 1/96000 Tungstus
Pinalite 1/96000 Tungstus
Uraninite 1/60000 Tufted Evening Primrose
Pitchblende 1/60000 Thompsons Locoweed
Gold 1/32000 Altered Andesite Buckwheat
Gold 1/32000 Desert Trumpet
Cooperite 1/16000 Narcissus Sheldonia
Copper 1/16000 Becium Homblei
Monazite 1/16000 Orechid
Powellite 1/14000 Orechid
Bastnasite 1/8000 Orechid
Arsenopyrite 1/8000 Artemisia Tridentata or Big Sagebrush
Redstone 1/7000 Prince's Plume
Vanadium 1/6000 Orechid
Galena 1/6000 Crosby Buckwheat
Coal 1/5000 Orechid
Graphite 1/5000 Orechid
Stibnite 1/4000 Atriplex Canescens or Four Wing Saltbush
Hematite 1/4000 Orechid
Sphalerite 1/3000 Viola Calaminaria
Smithsonite 1/3000 Viola Calaminaria
Pentlandite 1/3000 Thlaspi Lereschianum
Saltpeter 1/3000 Orechid
Bauxite 1/2000 Orechid
Cassiterite 1/2000 Orechid
Chalcopyrite 1/2000 Alpine Catchfly
Void Quartz 1/4000 Orechid Nether
Glowstone 1/4000 Orechid Nether
Gloomstone 1/4000 Orechid Nether
Efrine 1/2000 Orechid Nether
Nether Quartz 1/2000 Orechid Nether
Ancient Debris 1/8000 Orechid Nether, Mars
Naquadah 1/10000 Orechid Mars
Desh 1/2000 Orechid Mars
Dolamide 1/5000 Orechid Mars, Planets
Adamantine 1/10000 Orechid Mars, The Erebus, Betweenlands
Octine 1/5000 Orechid Betweenlands
Syrmorite 1/2000 Orechid Betweenlands
Hexorium 1/9000 Hexalily Mod loaded restriction: HEXCraft

Nether Crystals[]

Many of the Sulfide ores generate as crystal formations above the lava lakes of the Nether, in structures reminiscent of how mcw:Glowstone generates. These were added in version 6.14.02 "so that it is now possible to actually live in the Nether with most of GT6s features."

Material
Arsenopyrite
Chalcopyrite
Cinnabar
Cobaltite
Galena
Kesterite
Molybdenite
Pyrite
Sphalerite
Stannite
Stibnite
Tetrahedrite

Twilight Ores[]

To provide compatibility with the Miners Tree and Ore Magnet, GregTech generates vanilla-alike ore blocks in Vanilla-alike blobs in the Twilight Forest.

Mineral Number Size of blob Chance Min Y Max Y Biome or Mod Required
Anthracite Coal 1 50 1/100 16 32
Lignite Coal 1 50 1/100 16 32
Salt 1 50 1/100 16 32
Rock Salt 1 50 1/100 16 32
Bauxite 1 50 1/100 16 32
Oil Shale 1 50 1/100 16 32
Gypsum 1 50 1/100 16 32
Milky Quartz 1 50 1/100 16 32
Sulfur 1 16 1 0 8
Apatite 1 16 2 24 32
Ruby 1 12 1 40 52
Amber 1 12 1 40 52
Amethyst 1 12 1 40 52
Galena 1 24 4 8 32
Tetrahedrite 1 24 4 8 32
Cassiterite 1 24 4 8 32
Cooperite 1 6 1 40 52
Pentlandite 1 16 4 8 24
Scheelite 1 12 4 8 24
Rutile 1 6 1 8 24
Bastnasite 1 16 1 40 52
Graphite 1 6 2 0 8
Pitchblende 1 16 1 8 16 SWAMP
Borax 2 6 1 0 16 LAKE
Mercury 1 12 1 8 16 VOLCANIC, Thaumcraft
Air Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Fire Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Water Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Earth Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Order Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Entropy Infused 2 16 1 8 32 MAGICAL, Thaumcraft
Vinteum 2 16 1 8 32 MAGICAL, Ars Magica
Chimerite 2 16 1 8 32 MAGICAL, Ars Magica
Blue Topaz 1 8 1 8 16 DARK_FOREST, Ars Magica
Ancient Debris 8 8 1 8 80 MOUNTAINS, in Deadrock



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