Unofficial fan reference · game files of Crusader Kings III 1.20.0.3 “Crozier”
CK3 Database
The Phocaea Alum Mines icon

Special building

The Phocaea Alum Mines

phocaea_mines_01

The Phocaean deposits of Alum are among the most bountiful in the known world. The rare Alum is in high demand by dyers and textile manufacturers all over the European continent.

Levels

LevelCostTimeLeviesGarrison
1. Phocaea Mining Settlement485 gold1825 d——
2. Phocaea Mine725 gold1825 d——
3. Large Phocaea Mine1,100 gold1825 d——
4. Phocaea Mining Complex1,640 gold1825 d——

Level 1: Phocaea Mining Settlement

Province

  • Tax+2/month
  • Stationed Siege Weapon Effectiveness+15%

County

  • Holding Taxes+5%
  • Levy Size+10%
  • Development Growth+5%

Province — only if: culture with Cupellation

  • Holding Taxes+15%
Key
phocaea_mines_01
Cost
485 gold
Construction
1,825 days (5 yrs)
Needs
castle, city or temple level 1
Innovation
Crop Rotation

Level 2: Phocaea Mine

Province

  • Tax+3.5/month
  • Stationed Siege Weapon Effectiveness+23%

County

  • Holding Taxes+10%
  • Levy Size+20%
  • Development Growth+10%

Province — only if: culture with Cupellation

  • Holding Taxes+15%
Key
phocaea_mines_02
Cost
725 gold
Construction
1,825 days (5 yrs)
Needs
castle, city or temple level 2
Innovation
Manorialism

Level 3: Large Phocaea Mine

Province

  • Tax+5/month
  • Stationed Siege Weapon Effectiveness+30%

County

  • Holding Taxes+15%
  • Levy Size+30%
  • Development Growth+15%

Province — only if: culture with Cupellation

  • Holding Taxes+15%
Key
phocaea_mines_03
Cost
1,100 gold
Construction
1,825 days (5 yrs)
Needs
castle, city or temple level 3
Innovation
Windmills

Level 4: Phocaea Mining Complex

Province

  • Tax+6.5/month
  • Stationed Siege Weapon Effectiveness+38%

County

  • Holding Taxes+20%
  • Levy Size+40%
  • Development Growth+20%

Province — only if: culture with Cupellation

  • Holding Taxes+15%
Key
phocaea_mines_04
Cost
1,640 gold
Construction
1,825 days (5 yrs)
Needs
castle, city or temple level 4
Innovation
Cranes

Source: game/common/buildings/00_special_mines.txt, game/common/script_values/00_building_values.txt and the English localisation, Crusader Kings III 1.20.0.3.