This is a proposal to add ruby gem stone to the game.
Physical properties:
- hardness in Mohs scale: >=9
- density (at 20° C): 4 g/cm3
In game properties:
- behavior similar to gemstones - provide special effect instead of stats
- probably should share stats with diamond as it has similar physical properties
Modifiers
Spawn rules
-15000 < Z < -5000
- Never spawns in veins
Related to: #1269