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− | + | {{Quality|Superior|07:11, 17 May 2015 (UTC)}} | |
− | {{Quality|Superior}} | ||
{{av}} | {{av}} | ||
{{Material properties}} | {{Material properties}} | ||
− | '''Density''' is a [[material]] property that, along with volume, affects the [[weight]] | + | '''Density''' is a [[material]] property that, along with the volume of the object, affects the [[weight]] of an object made from the [[material]]. |
− | Density influences weight, | + | Density influences weight, and tests show that weight affects how much damage blunt-force [[weapon|weapons]] do. Additionally, lightweight edged weapons or attacking parts made of certain materials seem to have difficulty piercing tissue layers. Apparently, density in Dwarf Fortress is in kg/m<sup>3</sup>*. Density also affects fall damage. DF simulates falling by shooting the ground at you, so denser floors do more damage. |
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− | : ''(* For example, in the real world, the density of pure gold is 19.32 grams/cm<sup>3</sup>, which works out to be 19,320 kg/m<sup>3</sup>, the same numeric value as the density of DF | + | : ''(* For example, in the real world, the density of pure gold is 19.32 grams/cm<sup>3</sup>, which works out to be 19,320 kg/m<sup>3</sup>, the same numeric value as the density of DF Gold (see table below).)'' |
== Density of some materials == | == Density of some materials == | ||
− | Note that not all forms of items are the same size, and so are not comparable when considering actual [[weight]] for practical applications, such as a [[Trap#Stone-fall_trap|door prize]]. A [[stone]] (including raw ore) has a size of | + | Note that not all forms of items are the same size, and so are not comparable when considering actual [[weight]] for practical applications, such as a [[Trap#Stone-fall_trap|door prize]]. A [[stone]] (including raw ore) has a size of 10,000 cm<sup>3</sup> and a [[log]] of wood 5,000 cm<sup>3</sup>, while a [[bar]] of metal ''(or a block of stone or wood)'' have a size of only 600 cm<sup>3</sup>, a difference of ~16.67:1 for stone vs. metals, or ~8.33:1 for wood vs. metals. |
<!-- TABLE NEEDS A NEW COLUMN TO REFLECT THIS. CURRENT DATA IS MISLEADING w/ REGARD TO WEIGHT IN PRACTICAL APPLICATIONS.--> | <!-- TABLE NEEDS A NEW COLUMN TO REFLECT THIS. CURRENT DATA IS MISLEADING w/ REGARD TO WEIGHT IN PRACTICAL APPLICATIONS.--> | ||
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! Notes | ! Notes | ||
|- | |- | ||
− | |[[Feather tree]]||Wood||100||Least dense wood, found only in good biomes | + | |[[Feather tree]]||Wood||100||Least dense wood, found only in dry, good biomes |
|- | |- | ||
− | |[[ | + | |[[Candlenut]]||Wood||140||Second least dense wood, found only in dry, tropical biomes |
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|- | |- | ||
− | |[[Adamantine]]||Metal||200||Least dense metal | + | |[[Adamantine]]||Metal||200||Least dense metal |
|- | |- | ||
− | |[[Raw | + | |[[Raw Adamantine]]||Stone||200||Least dense stone |
|- | |- | ||
− | |[[Kapok]]||Wood||260|| | + | |[[Kapok]]||Wood||260||Third least dense wood, found only in dry, tropical biomes |
|- | |- | ||
− | |[[Willow]]||Wood||390|| | + | |[[Willow]]||Wood||390||Fourth lightest, found in "wet" biomes, most widespread of "light" wood |
|- | |- | ||
− | ||[[Bone]]||Organics||500 | + | ||[[Bone]]||Organics||500 |
|- | |- | ||
− | |[[Leather]]||Organics||500 | + | |[[Leather]]||Organics||500 |
|- | |- | ||
− | |[[Silk]]||Organics||500 | + | |[[Silk]]||Organics||500 |
|- | |- | ||
− | |[[Yarn]]||Organics||500 | + | |[[Yarn]]||Organics||500 |
|- | |- | ||
|[[Tunnel tube]]||Wood||500||Least dense [[underground]] wood, found only in caverns | |[[Tunnel tube]]||Wood||500||Least dense [[underground]] wood, found only in caverns | ||
|- | |- | ||
− | |"typical" [[wood]]||Wood||600|| ''There are | + | |"typical" [[wood]]||Wood||600|| ''There are about 4 dozen varieties of wood at 600, about a dozen (unlisted here) that weigh less,<br>and a half-dozen (sim) that weigh more. See [[Wood]] for a full list and discussion.'' |
|- | |- | ||
− | |[[ | + | |[[Oak]]||Wood||700||Densest "common" wood, temperate/dry |
|- | |- | ||
− | |[[ | + | |[[Mangrove]]||Wood||830||Densest "normal" wood, found only in wet swamp biomes |
|- | |- | ||
− | |[[Divine metal]]||Metal||1000||Second least dense metal | + | |[[Divine metal]]||Metal||1000||Second least dense metal |
|- | |- | ||
− | |[[Glumprong]]||Wood||1200||Densest above-ground wood ''(by far)'', found only in evil biomes | + | |[[Glumprong]]||Wood||1200||Densest above-ground wood ''(by far)'', found only in dry, evil biomes |
|- | |- | ||
|[[Blood thorn]]||Wood||1250||Densest wood, underground, found only in caverns | |[[Blood thorn]]||Wood||1250||Densest wood, underground, found only in caverns | ||
|- | |- | ||
− | |[[Lignite]]||Stone||1250 | + | |[[Lignite]]||Stone||1250 |
|- | |- | ||
|[[Jet]]||Stone||1320||Least dense non-economic stone | |[[Jet]]||Stone||1320||Least dense non-economic stone | ||
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− | |[[Earthenware]]||Ceramic||1360 | + | |[[Earthenware]]||Ceramic||1360 |
|- | |- | ||
− | |[[Plant fiber|Plant cloth]]||Organics||1520 | + | |[[Plant fiber|Plant cloth]]||Organics||1520 |
|- | |- | ||
− | |[[Stoneware]]||Ceramic||2000 | + | |[[Stoneware]]||Ceramic||2000 |
|- | |- | ||
− | |[[Saltpeter]]||Stone||2105 | + | |[[Saltpeter]]||Stone||2105 |
|- | |- | ||
|[[Petrified wood]]||Stone||2200||Least dense "magma-safe" stone | |[[Petrified wood]]||Stone||2200||Least dense "magma-safe" stone | ||
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− | |[[Gypsum]] relatives||Stone||2300 | + | |[[Gypsum]] relatives||Stone||2300 |
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− | |[[Gypsum]]||Stone||2320 | + | |[[Gypsum]]||Stone||2320 |
|- | |- | ||
− | |[[Porcelain]]||Ceramic||2403 | + | |[[Porcelain]]||Ceramic||2403 |
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− | |[[Glass]]||Gem||2600 | + | |[[Glass]]||Gem||2600 |
|- | |- | ||
− | |(General) [[stone]]||Stone||2670 | + | |(General) [[stone]]||Stone||2670 |
|- | |- | ||
− | |Ordinary [[gem]]||Gem||2670 | + | |Ordinary [[gem]]||Gem||2670 |
|- | |- | ||
|[[Aluminum]]||Metal||2700||Least dense "normal" metal | |[[Aluminum]]||Metal||2700||Least dense "normal" metal | ||
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− | |[[Limestone]]||Stone||2710 | + | |[[Limestone]]||Stone||2710 |
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− | |[[ | + | |[[Marble]]||Stone||2780 |
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− | |[[ | + | |[[Calcite]]||Stone||2930 |
|- | |- | ||
− | |[[ | + | |[[Gem|Diamond]] (any)||Gem||3520 |
|- | |- | ||
− | |[[ | + | |[[Cobaltite]]||Stone||6295 |
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− | |[[Lay pewter]]||Metal||7280 | + | |[[Lay pewter]]||Metal||7280 |
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− | |[[Galena]]|| | + | |[[Galena]]||Metal||7500|| Ore of [[lead]] |
|- | |- | ||
|[[Pitchblende]]||Stone||7600||Most dense "magma-safe" stone | |[[Pitchblende]]||Stone||7600||Most dense "magma-safe" stone | ||
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− | |[[Iron]]||Metal||7850 | + | |[[Iron]]||Metal||7850 |
|- | |- | ||
− | |[[Steel]]||Metal||7850 | + | |[[Steel]]||Metal||7850 |
|- | |- | ||
|[[Cinnabar]]||Stone||8100||Densest non-economic stone | |[[Cinnabar]]||Stone||8100||Densest non-economic stone | ||
|- | |- | ||
− | |[[Bronze]]||Metal||8250 | + | |[[Bronze]]||Metal||8250 |
|- | |- | ||
− | |[[ | + | |[[Copper]]||Metal||8930 |
|- | |- | ||
− | + | |[[Silver]]||Metal||10490 | |
− | |||
− | |[[Silver]]||Metal||10490 | ||
|- | |- | ||
|[[Lead]]||Metal||11340|| | |[[Lead]]||Metal||11340|| | ||
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− | |[[Gold]]||Metal||19320 | + | |[[Gold]]||Metal||19320 |
|- | |- | ||
− | |[[Platinum]]||Metal||21400||Densest metal | + | |[[Platinum]]||Metal||21400||Densest metal |
|- | |- | ||
|[[Native platinum]]||Stone||21400||Densest [[economic]] stone (and [[ore]]) | |[[Native platinum]]||Stone||21400||Densest [[economic]] stone (and [[ore]]) | ||
|- | |- | ||
− | |[[Slade]]||Stone||200,000||Densest stone, difficult to mine, brutally slow to carry if you do | + | |[[Slade]]||Stone||200,000 |
+ | ||Densest stone, difficult to mine, brutally slow to carry if you do | ||
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{{Category|Physics}} | {{Category|Physics}} |