Resource Overview History
Marble is one of the 31 rare resources. It appears as a collection of bright grey blocks and stone plates.

Like all rare resources on land, Marble can be obtained by sending a Merchant from the Market to the resource location. Marble provides the following benefits:

The gather rate of rare resources can be increased in various ways, as described in the main article. Note that Metal Metal is not gathered until a nation has entered the Classical Age Classical Age and linking a Marble resource while still in the Ancient Age Ancient Age might not provide the full benefit.

The cost reduction isn't terribly significant when building earlier Wonders (e.g., it saves you just 20 Wealth Wealth and Timber Timber when building the Colossus). However, it becomes fairly important for the expensive late game Wonders, especially when Wonder building cost skyrocket thanks to the ramping cost system.