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Macassar ebony is obtained from Diospyros celebica, endemic to the island of Sulawesi. It is named after the city of Makassar , involved in the export of this wood. A substitute, Macassar ebony, has similar characteristics and to the untrained eye is nearly identical, though the colour lacks the depth seen in genuine calamander.
Species of ebony include Diospyros ebenum (Ceylon ebony), native to southern India and Sri Lanka; D. crassiflora (Gabon ebony), native to western Africa; D. humilis (Queensland ebony), native to Queensland, the Northern Territory, New Guinea and Timor; and D. celebica (Sulawesi ebony), native to Indonesia and prized for its luxuriant, multi-colored wood grain.
The sap wood of Diospyros ebenum is light-yellowish gray, with a glossy-black core occasionally containing light fibers. The wood also has metallic gloss with fine, smooth texture whose grains can be straight, a bit chaotically organized and wavy. Sawn block of Diospyros ebenum. In Sri Lanka, it is illegal to harvest and sell ebony wood.
Diospyros crassiflora, commonly known as Gaboon ebony, African ebony, Cameroon ebony, Nigeria ebony, [3] West African ebony, [4] and Benin ebony [5] is a species of lowland-rainforest tree in the family Ebenaceae that is endemic to Western Africa.
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When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...