What can't be seen in the picture, which adds to the "juxtaposition", are the vastly different grains in the black and white. Light curly maple is soft and has a three dimensional look, while the dark wenge has a unique grain that leaves strong texture visible.

Fine

Furniture

Just Opposition  65-1/2"w X 18-1/2"d X 33-3/4"h 

There is no question that the nature of the wood is extraordinary, but the turn of the grains emphasizes that character.
The visual structure of this piece is beautiful. The juxtaposition of the same wood turned 90 degrees, or black and white contrasting colors makes it dramatic.