Better Building is a mod that adds more building blocks.
(Sorry for the bad picture quality)
For every marble variant, there is a corresponding basalt variant.
Interesting mod. I am curious, why Minecraft 1.2.5, and not one of the latest versions?
You can check out my current mod for Minecraft here:
It's easier to mod.
Sorry about the crafting pictures; I'll fix them as soon as possible. The problem is fixed now.
Ok, I have never modded Minecraft 1.2.5 ( I started with 1.7.2), so I do not know what you mean by easier. But I guess you have a point.