African Blackwood has about all the characteristics of black ebony; color, weight, density, glueing and finishing aspects... etc., but it has more strength.
As Black ebony is extremely strong lengthwise, it is very weak when looking at bending aspects. A rod of ebony is rather easy to break in two.
On the other hand, african blackwood is much stronger when trying to bend it.
You might be asking yourself now; why is he telling this?
It is of a great importance when making a full splice cue. When choosing black ebony for the low part of the spliced butt, it happens more often that the points just snap because the wood can't take the forces of bending and twisting during a shot.
African blackwood on the other hand is stronger and "more flexible" wich minimizes the risk of points losening or breaking after a while.
African blackwood is therefore a very reliable wood for instrument building as it resonates very well and takes the vibrations very well...
BE CAREFULL: both woods mentioned here are very toxic and create a very fine dust when working it. That dust gets in your lungs and respitory ways very easy. The dust also gets into the pores of your skin wich can make you walk around for a few days with dirty hands...
Therefore, wearing a mask and gloves when working the wood is a very healthy tip. Also make sure there is enough ventilation...
Tom Penrose