Don't do it. Part of the beauty of an African violet is the symmetrical circle
of leaves with the clusters of flowers in the center. Also, the faster growing
varieties would choke the more delicate ones. If you want several plants in one
pot, use something else.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)