Unfortunately, most of your beads look like simulations to me. But, in any event, I do not associate these beads with the Dogons (though there are certain very old beads in some of their constructions).

Please view this discussion from 2008:

http://beadcollector.net/cgi-bin/anyboard.cgi?fvp=/openforum/&cmd=iYz&aK=54435&iZz=54435&gV=0&kQz=&aO=1&iWz=0