posted on Mar, 1 2012 @ 08:54 AM
OK, Guys, some interesting news.
It's most likely about a prehistoric (neolithic) tool that can be found from place to place in France and that it called "molette sphérique" that can
be translated in English by "spherical wheel".
They are made either of quartzite or granite, they are (almost) perfectly round and have a diameter of 88mm.
This is certainly a grain mill.
It was used as follows: dry cereal were put on a flat or concave stone and grains were broken and crushed by friction to produce small flour
quantities. Spheres hold well in hand and a simple twist of the wrist can easily crush seeds and grains, which is much faster than an ordinary mill.
The choice of quartzite or granite limit the presence of mineral waste in the flour thus produced.
Source (in French)
Special thanks to Gilles F. from the French forum sceptic.ovni
finding the solution.
edit on 1-3-2012 by elevenaugust because: (no reason given)