Ebony certification in several South Asian countries. Ebony Ebony is a dense black hardwood, most commonly yielded by several different species in the genus "Diospyros", which also contains the persimmons. Ebony is dense enough to sink in water. It is finely-textured and has a very smooth finish when polished, making it valuable as an ornamental wood. The word "ebony" comes from the Ancient Egyptian "hbny", through the Ancient Greek ("ébenos"), into Latin and Middle English. Species of ebony include "Diospyros ebenum" (Ceylon ebony), native to southern India and Sri Lanka; "Diospyros crassiflora" (Gabon ebony), native to western Africa; and "Diospyros celebica"
Diospyros ebenum organized and wavy. Dry wood density is 1190 kg/m3. The tree is occurring in southern India, Sri Lanka and Indonesia. The variety of the wood found in North Sulawesi, Indonesia is "Diospyros ebenum Koenig". Known as කළුවර ගස් ("Kaluwara Gas") by Sinhalese people due to hard black wood of the tree. In Sri Lanka, it is illegal to harvest and sell ebony wood. It possesses the following valuable qualities: high wood hardness (twice as hard as oak), easy to polish (suitable for high-quality polishing, after which it becomes perfectly smooth), it has practically no pitting, provides glossy smooth surface, water