If the generation of marble in the config (config/extdeco.cfg) off, then activate these new recipes:

Currently not Available. But the Marble generation can turn off!

Is the Generation of marble enabled then can you find marble in this envoirments:
White marble can found in the Surface wolrd in the underground:


Black and yellow marble you can find in the Nether:

As the "owner" of the creator of this modification is referred to later,
his username is "neocromicon" on planetminecraft.com

Anyone downloading and using this mod that automatically confirms the following conditions:
It is not allowed this mod without permission of the owner with own links to download offer.
It is not allowed this mod without permission of the owner to edit and / or publish.
It is allowed to edit this mod for personal use.
Permission is granted to this threat on homepages (or similar) to link.
It is not allowed the download links on homepages alone (or similar) to link.
The owner accepts no responsibility for technical or other damage.

Original Downloadlinks:

Minecraft.de: http://minecraft.de/showthread.php?8...ge#post1109438
PlanetMinecraft.com: http://www.planetminecraft.com/mod/146extended-decorations-10forge/
Curseforge.com: http://minecraft.curseforge.com/mc-mods/224558-ext-deco-0-5