Purpleheart

Purpleheart Wood Flooring
Sample above is .75" by 2.25 " square-edge solid strip. Top portion is finished with water-base urethane; bottom with oil-modified polyurethane.
Appearance

Color: Heartwood is brown when freshly cut, turning deep purple to purplish brown over time. Sapwood is a lighter cream color. 
Grain: Usually straight; medium to fine texture. 
Variations Within Species and Grades: Moderate to high color variation.

Properties

Hardness/Janka: 1860; 44% harder than Northern red oak. 
Dimensional Stability: Excellent (change coefficient .00212; 43% more stable than red oak). 
Durability: Very strong and dense.

Workability

Sawing/Machining: Moderately difficult due to hardness; frequent sharpening of tools required; slow feed rate and carbide tooling recommended. 
Sanding: Sands satisfactorily. 
Nailing: Good holding ability. 
Finishing: Takes finishes well; some have found that water-based finishes hold color better. Tendency to bleed with some finishes. 
Comments: Heartwood is very resistant to dry-wood termites. Presence of minerals in some boards may cause uneven coloration.