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One of the two mineral sources of fuel, lignite is found in veins in sedimentary layers. When processed at a smelter or magma smelter, one unit of lignite produces 5 units of coke. If done at a regular smelter, this processing requires one pre-existing unit of fuel (either charcoal or coke), leaving a net production of 4 fuel.
Lignite is flammable - if exposed to fire or magma, an item made of lignite will burn for the better part of a year before wearing away. Exposure to water (including rain) will extinguish it, unless it happens to be stored in a bin.
Although no more materially valuable than any generic stone, by default lignite is considered an economic stone, and will be reserved for coke production, unless changed in the -Stone sub-menu. It otherwise behaves as an ordinary stone - if you don't need it to produce coke, you can use it to produce goods with a mason or stonecrafter.
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Despite its similar-sounding name, lignite is in no way related to ligma. It is a common misconception that it can be smelted into ligma bars. Ligma is a prized valuable material which can only be recovered from goblin fortresses, since goblins like to gobble on finished ligma products. Ligma's most common use is in crafting ☼ligma balls☼.
[INORGANIC:LIGNITE] [USE_MATERIAL_TEMPLATE:STONE_TEMPLATE] [STATE_NAME_ADJ:ALL_SOLID:lignite][DISPLAY_COLOR:0:7:1][TILE:'*'] [ENVIRONMENT:SEDIMENTARY:VEIN:100] [SPEC_HEAT:409] [IGNITE_POINT:11440] [MELTING_POINT:NONE] [BOILING_POINT:16708] [SOLID_DENSITY:1250] Should be less dense than bituminous coal. [IS_STONE] [STATE_COLOR:ALL_SOLID:SLATE_GRAY]
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