Although black walnut is the finest of hardwoods to build furniture from, many Amish craftsmen are not using it due to high consumer demand for cherry, maple and hickory.
Fig 5 shows a walnut floor with the different color variations.
Black walnut scores a bit better than cherry on the Janka Hardness scale, coming in at 1010.
Its beautiful, fine-grained, chocolate-brown, relatively lightweight heartwood is the ultimate choice for making solid wood furniture, interior trim, gunstocks, and high-quality veneer.
A native of the Eastern, Midwestern, and Great Plains regions of the United States, Black Walnut is a pioneer invader tree in open fields or cut-over woodlots, and grows rapidly in youth. A rapidly growing tree is most common in moist bottomlands and open fields, but is found everywhere due to squirrels burying its nuts.