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40d:Economic stone
Revision as of 16:09, 6 November 2009 by Erdtirdmans (talk | contribs) (Added Bauxite as most would expect it here considering its special case for mechanisms)
Economic stones have special uses as ore, fuel or flux, or other uses like making special items. You can use the z : Stone menu to restrict or un-restrict their use in items and buildings. In technical terms, an economic stone is any stone which can be used as a reagent in any form of reaction. Obsidian is an exception, having been made an economic stone even though it is not used in any reaction - its specialty is that it can be used to craft swords.
The Stone menu will also show what each stone can be used for--very useful for figuring out what you need to mine to make that obscure metal your noble is whining about.
| Stone name | Found in | Found how | Use | Value | Icons |
|---|---|---|---|---|---|
| Obsidian | Igneous extrusive | Full Layers | Swords | 3 | ▓ |
| Calcite | Limestone, Marble | Small clusters | Flux | 2 | " |
| Chalk | Sedimentary Layer | Full Layers | Flux | 2 | ░ |
| Dolomite | Sedimentary Layer | Full Layers | Flux | 2 | ` |
| Limestone | Sedimentary Layer | Full Layers | Flux | 2 | ▓ |
| Marble | Metamorphic Layer | Full Layers | Flux | 2 | ▓ |
| Bituminous coal | All Sedimentary | Veins | 3 Coke | 1 | ☼ |
| Lignite | All Sedimentary | Veins | 2 Coke | 1 | * |
| Bauxite | Sedimentary Layer | Large clusters | Magma-safe mechanisms | 1 | + |