Raw Materials comprise of everything harvested from nature that can be used to make other goods.
For the purposes of this article, ITEs are not included. Please see their separate article for more information.
Basic
Basic raw materials include wood, stone and mud, and are some of the easiest materials to find and stockpile.
Wood
Wood is the most basic of resources. It can be harvested en masse by chopping trees on the surface. Its bushes can also be planted and havested via the Production Menu.
It is used in the creation of many, many items, eg: doors, utilities, walls and containers.
Stone
Stone can be found by mining underground. Stone tiles, dungeon walls and dungeon rooms all give stone. A Mineshaft can be placed on Dense stone to produce unlimited quantities of stone.
It too is used in many creations, such as different utilities and tools, other walls and several decorations.
Mud
Mud can be found by mining dirt or jungle tiles found underground.
It is used is a material in the production of glass and mud walls.
Sand
Sand can be found by mining sand tiles found underground.
It is used as a material in the production of glass and sand walls.
Special
Special materials are those harder to find than basic materials, but do not fit into any other categories, such as Ores or Gels.
Snow Pile
Snow piles can be found by mining Snow tiles underground.
They can be gathered into Snow Buckets using the production menu.
Flint
Flint can be found by mining Gravel underground.
It is used to create Cooking Fires, which enable you to cook meat before making a stove.
Glass
Used to create windows. It can be created in the materials section of the auto-production menu. Glass is made from sand or mud and requires a smelter.
Animal
Materials which are derived from animals such as bones and hides are listed here.
Bone
Bones can be harvested from dead creatures, be it cows, pigs or the like. They are available on the production menu but require a Butcher Table to be automatically harvested from Livestock.
Bone can be used to craft early weapons and armor as well as some furniture and decorations.
Animal Hide
Animal hides can be harvested from cows, bulls, reindeer, or does. They can be collected using the production menu under Vanity but require a Hide Skinning Table to be automatically harvested from Livestock.
Animal hides can be used to craft hats.
Badger Hide
Badger hides are harvested from badgers. They are available on the production menu under Vanity but require a Hide Skinning Table to be automatically harvested from badgers.
Badger hides can be used to craft badger hats.
Unifallow Hide
Unifallow hides function similarly to animal hides except they have a different texture and can only be harvested from unifallow. They can be collected using the production menu under Vanity but require a Hide Skinning Table to be automatically harvested from unifallow.
Like animal hides, unifallow hides can be used to craft hats.
Skootenbeeten Feather
Skootenbeeten feathers are harvested from skootenbeeten. They are available on the production menu under Vanity but require a Hide Skinning Table to be automatically harvested from skootenbeeten.
Skootenbeeten feathers are used to craft feather hats.
Snake Teeth
Snake teeth can be found as a drop from Snakecrabs which roam around sandy areas. There are only a finite number of Snakecrabs per world making this a limited resource.
Snake teeth are used to craft Wooden Snake Swords.
Ore
Ores are found by mining ore tiles underground, such as Copper and Iron. Except for silver and gold, they can all by mined indefinitely by building a Mineshaft on top of 4 adjacent tiles, but to mine it manually you'll have to dig down and use the mine command.
Coal
Coal tiles can be found in abundance on any layer of the dungeon, or even on the surface. Even surface coal can be mined with a Mineshaft, but you'll have to dig down and mine them underground to harvest coal manually.
Coal is used to craft torches and iron weapons and armor.
Copper
Copper tiles are also found in abundance regardless of floor, although they get even more common as you dig deeper.
Copper ore is used to make ITE items.
Iron
Iron is one of the most sought after ores. While iron tiles can be found on the surface, it is much more common the deeper you mine.
It is used to make iron weapons and armor as well as some kitchen utilities, including the Kitchen Stove, and even the Forge utilities.
Silver
Silver, like gold, is found very deep in the dungeon, from silver tiles.
It is used to make one of the decorations, which increases the happiness and also to make silver armor and weapons.
Gold
Gold is found very deep in the dungeon, from gold tiles.
It is used to make decorations and also to make golden armor and weapons.
Gels
Gels are found on hostile slimes in the dungeon. They are dropped when the slimes are killed. They can be used to make gel engraved walls, gel roads, and colored hats.
Green Gel
Green gel drops from Green slimes.
It is used to make gel engraved green walls, green gel roads, and green hats.
Red Gel
Red gel drops from Red slimes.
Surprisingly, it is used to make gel engraved red walls, red gel roads, and red hats.
Blue Gel
Blue gel drops, amusingly, from Blue slimes.
Amazingly, it is used to make gel engraved blue walls, blue gel roads, and blue hats.
Heads
Heads are trophies taken from destroyed creatures of each type. They can be crafted into Monster Pole decorations.
Goblin Head
Goblins drop goblin heads.
They are used to make the Goblin pole decoration.
Hobgoblin Head
The bigger cousins of the goblins, Hobgoblins drop hobgoblin heads.
They are used to make the Hobgoblin pole decoration
Snicker Head
Sneaky snickers drop sneaky snicker heads.
Sneaky snicker heads make even sneakier snicker pole decorations.
Ghoul Head
Not to be confused with ghosts, Ghouls drop ghoul heads.
A ghastly ghoul head can be crafted into a gruesome Ghoul pole decoration.
Troll Head
Werepigs drop Troll heads. Not really, they drop from Trolls.
They can be used to craft Troll poles.