Custom Resources
Besides the standard Ultima Online resources, oblivion has a number of custom minerals and wood types.
Custom ores behave and are used much like the default versions of them, the raw stats can be found here:
Default and Custom ores information
On the other hand, custom woods go far beyond the default system, allowing the creation of colored furniture, and even bows and weapons that posess enhanced material properties, much like ores.
The stats of the normal and custom woods can be found here: