DF2014:Gypsum

Gypsum

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Uses
Masonry Stone crafting Construction Make plaster
Location
Found in sedimentary layers as large clusters
Properties
Material value 1 Not fire-safe Not magma-safe Melting point 10261 °U (x) Boiling point 14000 °U (m) Ignition point none (m) Solid density 2320 Specific heat 800
Contains
Brimstone (small clusters) Borax (small clusters) Alabaster (small clusters) Selenite (small clusters) Satinspar (small clusters) Anhydrite (small clusters)
Wikipedia article

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Gypsum is an ordinary stone with a niche use for dwarven healthcare - once mined, it can be processed at a kiln to make gypsum plaster powder. A fort with no gypsum can use splints as an alternative.

Gypsum can also contain small clusters of selenite, satinspar, and alabaster, which can also be made into plaster powder, as well as anhydrite, which cannot.

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  A gypsum quarry

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  Piece of gypsum

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  Gypsum crystals (dirty yellow) on another mineral

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  Another gypsum crystal

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  Though most are not this clear, gypsum can be found as a transparent crystal

Raws

this is common gypsum, 3 vars below, any gypsum can be heated to and then mixed with water to make plaster [INORGANIC:GYPSUM] [USE_MATERIAL_TEMPLATE:STONE_TEMPLATE] [STATE_NAME_ADJ:ALL_SOLID:gypsum][DISPLAY_COLOR:6:7:1][TILE:'#'] [ENVIRONMENT:SEDIMENTARY:CLUSTER:100] [SOLID_DENSITY:2320] Gypsum density was rather high. My sources all give ~2300. [IS_STONE] [REACTION_CLASS:GYPSUM] [MELTING_POINT:10261]

V · T · E Stones
Sedimentary	Calcite · Chalk · Chert · Claystone · Conglomerate · Dolomite · Limestone · Mudstone · Rock salt · Sandstone · Shale · Siltstone
Igneous	Intrusive Diorite · Gabbro · Granite Extrusive Andesite · Basalt · Dacite · Obsidian · Rhyolite
Metamorphic	Gneiss · Marble  · Phyllite · Quartzite · Schist · Slate
Ore	Adamantine, raw · Aluminum, native · Bismuthinite · Cassiterite · Copper, native · Galena · Garnierite · Gold, native · Hematite · Horn silver · Limonite · Magnetite · Malachite · Platinum, native · Silver, native · Sphalerite · Tetrahedrite
Economic	Alabaster · Bituminous coal · Calcite · Gypsum · Kaolinite · Lignite · Satinspar · Selenite
Other	Alunite · Anhydrite · Bauxite · Borax · Brimstone · Chromite · Cinnabar · Cobaltite · Cryolite · Graphite · Hornblende · Ilmenite · Jet · Kimberlite · Marcasite · Mica · Microcline · Olivine · Orpiment · Orthoclase · Periclase · Petrified wood · Pitchblende · Puddingstone · Pyrolusite · Realgar · Rutile · Saltpeter · Serpentine · Slade · Stibnite · Sylvite · Talc