Soils

Soils are the mineral-based blocks in the game. Soils can be picked up using a Pickaxe. All soils can be stacked up to 999, which makes them some of the easiest items to store. Soils are the only block types that can be converted by the Corruption, Crimson, and Hallow. Most of the soil that the player will get will be from digging into the ground. Digging long tunnels will greatly increase the character's supply of soils.

Soil	Convertable	Description
Dirt Grass Corrupt grass Crimson grass Hallowed grass	✔️	Dirt is the most accessible soil on any map, making up most of the surface and being the primary soil of the Underground layer (image). Grass spreads across bare Dirt when exposed, and the bulk of the Dirt found on the surface appears as Grass. A number of useful plants grow on Dirt, these being Blinkroot, Orange Bloodroot (bare Dirt), Daybloom, Mushroom, Pumpkin, Yellow Marigold, Blue Berries (normal Grass and Hallowed Grass), Vile Mushroom (Corrupted Grass), Vicious Mushroom (Crimson Grass) and Deathweed (Corrupted and Crimson Grass). All Dirt-Grass types also feature tree variants. Both bare Dirt and normal Grass Dirt are vulnerable to the Hallow, Corruption, and Crimson.
Stone Ebonstone Crimstone Pearlstone Red Moss Yellow Moss Green Moss Blue Moss Purple Moss Fire Moss	✔️	Stone is the most abundant soil, found in surface deposits and being the primary soil of the Cavern layer (image). It is a bit more durable than dirt. Not being immune to the Corruption, Crimson, or Hallow, it will become Ebonstone, Crimstone, or Pearlstone when exposed, but only in hardmode. Unlike basic stone, Ebonstone, Crimstone, and Pearlstone can only be mined with a Nightmare or Deathbringer Pickaxe or higher. Normal stone can grow Moss and Ebonstone and Crimstone will also grow Deathweed. Stone in the lava layers of the Cavern can grow Fire Moss, which glows in the dark as lava does. Pearlstone will also grow Crystal Shards in the Underground Hallow. Stone is a crafting material for several crafted blocks, mainly Bricks.
Granite	❌	Granite is found in large deposits in Granite Caves. It is used to craft Smooth Granite Blocks, which then can be crafted into their own furniture set.
Marble	❌	Marble is found in large deposits in Marble Caves. It is used to craft Smooth Marble Blocks, which then can be crafted into their own furniture set.
Sand Ebonsand Crimsand Pearlsand	✔️	Sand is the yellow terrain making up Deserts and Oceans. It is one of the soils affected by gravity - it will fall when the block underneath it is mined, and will damage any players or NPCs standing below. Waterleaf and Cactus will grow naturally on Sand, and Sand is also used as ammunition in the Sandgun. Sand is not immune to Corruption, Crimson, or Hallow, and will be turned into Ebonsand, Crimsand, or Pearlsand if those biomes are allowed to spread to Sand.
Sandstone Ebonsandstone Crimsandstone Pearlsandstone	✔️	Sandstone is a yellow rock variant of Stone. It is primarily found in the Underground Desert and forms the sand caves. Unlike Sand, Sandstone is not affected by gravity. Sandstone is not immune to Corruption, Crimson or Hallow, and will be turned into Ebonsandstone, Crimsandstone or Pearlsandstone respectively if these biomes spread into Sandstone.
Hardened Sand Hardened Ebonsand Hardened Crimsand Hardened Pearlsand	✔️	Hardened Sand is used as an alternate to Sandstone in the Underground Desert. It may also be used elsewhere in the world as a support for Sand, wherever Sand may generate. Like Sand, Hardened Sand can be used to create Glass. Unlike Sand, Hardened Sand is not affected by gravity. Hardened Sand is not immune to Corruption, Crimson or Hallow and will be turned into Hardened Ebonsand, Hardened Crimsand or Hardened Pearlsand respectively if these biomes spread into Hardened Sand.
Desert Fossil	❌	Desert Fossils are a special type of rock that generate exclusively in the Underground Desert. They generate in a similar manner to ore, albeit in large frequent clumps. Desert Fossils can be placed in the Extractinator to produce Sturdy Fossils (the only input source that does this) or other Extractinator outputs as normal. Sturdy Fossils are not affected by gravity.
Clay	❌	Clay deposits can be found underground, most commonly just below the surface in the Underground. Clay is currently used in crafting only. Clay will not grow vegetation.
Mud Jungle grass Mushroom grass	✔️ / ❌	Mud is a replacement for Dirt in the Jungle and Underground Jungle biomes. It also makes up occasional Mushroom biomes in the Cavern layer. Bare Mud will grow Blinkroot, Mud covered in Jungle Grass will grow Jungle trees, Moonglow, Sky Blue Flowers and Blue Berries, and Mud covered in Mushroom Grass will grow Glowing Mushrooms and Giant Glowing Mushrooms. If Mud is converted in Hardmode it will turn into Dirt, however Dirt can be crafted back into mud at Water pools. The vulnerability of Mud appears to differ between spread and growth (as of 1.2.4.1); bare Mud and Jungle Grass Mud can be overtaken by the Corruption and Crimson, but not by the Hallow (unless the Clentaminator is used). Mud with Mushroom Grass is not converted by any of them, even when using the Clentaminator. A converted Dirt Block does additionally not have any converting-power itself, hence a Mud Block will only convert if it can grow Grass or is touching a corrupted Block.
Ash	❌	Ash is found in The Underworld alongside Hellstone. Fireblossom grows naturally in Ash, and its seeds can be planted on it as well.
Silt	❌ / ✔️	Silt, like Sand, is affected by gravity and will fall when mined, dealing damage to the player if it is underneath. Silt can be placed in an Extractinator to produce various gem and ores, also including coins. It is normally immune to Corruption, Crimson, and Hallow spread, but can be converted into Ebonsand, Crimsand, or Pearlsand at the initial Hardmode spread.
Snow	❌	Snow is the soil that makes up most of the surface of a Snow Biome. It is immune to Corruption, Crimson, and Hallow spread, and trees planted in Snow will become Boreal trees. Placed Snow Blocks will cause snow to fall.
Ice Purple Ice Red Ice Pink Ice	✔️	Ice makes up the bulk of the Underground Snow and, unlike snow, is not immune to Corruption, Crimson, or Hallow. Ice will be turned into Purple Ice, Red Ice, or Pink Ice when exposed to those biomes. Pink Ice will also grow Crystal Shards. While wearing the Ice Skates, the player will move faster on Ice. All placed Ice Block types will cause snow to fall.
Slush	❌	Slush is fundamentally the same as Silt, but is found only in Snow Biomes and the Underground Snow. Like Silt it can be converted into gems, ores, and money with the Extractinator. Unlike Silt, Slush can not be converted at the onset of Hardmode (as of 1.2.4.1).

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