Limestone I
Type: Plane Wonder Materials
Abbreviated as limestone, calcite is the main component. It has such colors as grey, grey white, grey black, yellow, light red, dark red and etc. Hardness is not high compared to other rocks. It has good processability, thermal conductivity, polishing property, sound insulation, and cementation. It's often used as main raw material for construction, metallurgy and chemical industries
Can be used to build ordinary wonders in the Hall of Overseeing
Source(s): Alliance Shop for a unit cost of 240 Alliance Coins

In Space:

  • Mining of some planets
  • Investigation reward for some Huge Meteorite locations
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