Posts from Resources in Heroes 5. Auto-translated

This is the last Heroes of Might and Magic game that uses traditional resources: wood, ore, mercury, crystals, sulfur, gems, and gold. In Heroes VI, there are only four resources, and in Heroes VII, there are seven again, but apart from wood, ore, and gold, the rare resources are completely different. Ultimately, I prefer the resources of a traditional nature, rather than the resources in the later installments of "Heroes," which consist of 80% online elements.

The gems should be multicolored, and the mercury should be in flasks, not in cauldrons over a fire, and not blue. In general, the resources on the map and on the icons should be the same.

I agree, there's even a mod for multicolored gems.