“...However there is one which is missing (in the almanach) : the "La Fontasse" deposit, Montredon-Labessonnie, Réalmont, Tarn, Midi-Pyrénées.
These agates are also known under the name of "Albi agates" or "Tarn agates". Albi is the nearest town of the deposit and Tarn is the department name...”

according to personal communication with Claude Pelisson.

More nice french agate-eggs he is presenting on his homepage www.oeufspolis.com