Macassar Ebony

Specs

Common Names

Macassar Ebony

Scientific Name

Diospyros celebica

Origin

Southeast Asia (Indonesia)

Appearance

Macassar Ebony heartwood is typically black with prominent brown streaks. The wood has a straight to interlocked grain with a fine texture. It exhibits a high natural luster.

Avg. Dried Weight

55-80 lbs/ft3 (880-1280 kg/m3)

Janka Hardness

3220 lbf

Modulus of Rupture

25,700 lbf/in2 (177.2 MPa)

Elastic Modulus

3,100,000 lbf/in2 (21.38 GPa)

Crushing Strength

14,100 lbf/in2 (97.2 MPa)

Shrinkage

Radial: 4.8%, Tangential: 8.5%, Volumetric: 13.3%, T/R Ratio: 1.8

Durability

Rated as very durable; highly resistant to decay and insect attacks.

Workability

Macassar Ebony wood is generally difficult to work due to its high density and interlocked grain. It requires sharp tools and may have a blunting effect. Pre-drilling is recommended for nailing and screwing. It can be polished to a high shine and finishes well. The wood has excellent stability and resistance to warping.