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Editing DF2014:Tetrahedrite

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#REDIRECT [[Tetrahedrite]]
 
 
'''Tetrahedrite''' is an incredibly common [[ore]] of both [[copper]] and [[silver]]. [[Smelter|Smelting]] tetrahedrite will produce 4 copper [[bar]]s and 0-4 silver [[bar]]s*. On average, each nugget of tetrahedrite will produce less than one bar of silver when smelted.
 
 
 
: (* There is a separate 20% chance for each of the 4 silver bars being produced. This works out to be an <u>average</u> of around .8 silver bars each time a unit of tetrahedrite is smelted, with "no bars" or "1 bar" being equally common (around 41% of the time), 2 bars not uncommon, and 3 or 4 uncommon but not impossible.)
 
 
 
Tetrahedrite can also be used in [[alloy]] reactions requiring either a copper-bearing ore or a silver-bearing ore, but will only be used as a ''silver'' ore if no other silver ores are available. Two tetrahedrite nuggets can be smelted together as a copper-bearing ore and a silver-bearing ore to make eight [[billon]] bars for a roughly 70% increase in value compared to smelting the nuggets independently.
 
 
 
When using tetrahedrite as a copper-bearing ore, it's often best to smelt it into bars first and then use those copper bars to create the alloy. This allows you to produce some [[silver]] bars in addition to the bars of alloy, but does require additional [[fuel]] and time. A clear exception to this is when producing [[billon]] from two tetrahedrite nuggets, when the benefits of using tetrahedrite as a silver-bearing ore outweigh the drawbacks of using tetrahedrite as a copper-bearing ore.
 
 
 
[[File:Tetrahedrite-Chalcopyrite-Sphalerite-251531.jpg|thumb|300px|center|Tetrahedrite crystals with chalcopyrite and sphalerite crystals (size: 8.2 x 6.4 x 4.7 cm)]]
 
 
 
==Understanding the value chain==
 
A single tetrahedrite boulder (seen in-game as simply "tetrahedrite", laying on the floor as a byproduct of [[miner|mining]]) has a [[Item value|value]] of 9 (3 for being a stone boulder, times 3 for it being tetrahedrite).
 
 
 
This boulder can be smelted into 4 bars of copper, each having a value of 10 (5 for being bars, times 2 for them being made of copper), for a total of 40, and a random amount of 0 to 4 bars of silver (mean being 0.8), each having a value of 50 (5 for being bars, times 10 for them being made of silver). So each single tetrahedrite boulder gives you a (mean) value of 80 in copper and silver bars.
 
 
 
Each bar can be then [[Forge|forged]] into items, like a [[battle axe]]. A copper battle axe will have a value of 68 (34 for being a battle axe, times 2 for being made of copper), thus the original tetrahedrite boulder will yield a total value of 544 (272 from the 4 copper battle axes, plus 272 as a mean of the possible silver battle axes, each worth 340). And this can be multiplied up to 12x since battle axes have [[quality]] levels.
 
 
 
{{gamedata}}
 
{{stones}}
 
{{Category|Ore}}
 
{{Category|Economic Stone}}
 

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