Wood structure characteristics of mahogany-ebony species
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F1 Ebony Diospyros ebenum Koenig
Loose hole material. The growth wheel is not obvious. The heartwood is all black and the light stripes are rare. The tube holes are slightly visible under the naked eye; containing brownish black or black gum; the chord diameter is at most 141 μm, with an average of 98 μm; the number is as little as slightly less, 4 to 12/mm2. The axial thin-walled tissue is rich, and the main concentric layer is thin-lined (1 to 2 cells wide, most 1 cell), quite dense, and few are seen under the magnifying glass; Wood fiber wall thickness. The wood ray is visible under the magnifying glass; the wave marks are not visible; the ray tissue is mainly shaped by a single column, and the number of 2 columns is small. No aroma; fine structure; texture usually until slightly staggered; air dry density O. 85 to 1.17 g/cm3.
F2 thick petal horse Diospyros crasstJlora l-liern
Loose hole material. The growth wheel is not obvious. The heartwood is all black. The tube holes are slightly visible under the naked eye; most contain dark gum; the chord diameter is 102 m maximum, with an average of 54 μm; the number is as small as slightly less, 3 to 8/mm2. The axial thin-walled structure is rich, and the main concentric layer is thin-lined (mostly wide 1 cell), which is quite dense and cannot be seen under the magnifying glass; Wood fiber wall thickness. The wood ray is invisible under the magnifying glass; the wave marks are not visible; the ray tissue is shaped differently. No aroma; very fine structure; texture usually until slightly staggered; air dry density 1·05 g/cm3.
F3 wool ebony Diospyros pilosanthera Blanco
Loose hole material. The growth wheel is not obvious. The heartwood is all black. The tube holes are slightly visible under the naked eye; most of them contain dark gum; the chord diameter is mostly 132-200 μm, with an average of 137 μm; the number is small, with an average of 3 to 4/mm2. The axial thin-walled tissue is rich, and the main concentric layer is thin-lined (mostly wide 1 cell), which is quite dense and visible under a magnifying glass; Wood fiber wall thickness. The wood ray is visible under the magnifying glass; the wave marks are not visible; the ray tissue is shaped differently. The aroma is not, the structure is fine, the texture is usually until it is slightly staggered; the air dry density is 0·90～O·97 g/cm3.
F4 Posit ebony Diospyros poncej Merr.
Loose hole material. The growth wheel is not obvious. The heartwood is all black. The tube holes are slightly visible under the naked eye; most of them contain dark gum; the chord diameter is 100-200 μm, with an average of 133 μm; the number is small, and the average is 3 to 4/mm2. The axial thin-walled tissue is rich, and the main concentric layer is thin-lined (mostly wide 1 cell), which is quite dense and visible under a magnifying glass; Wood fiber wall thickness. The wood ray is visible under the magnifying glass; the wave marks are not visible; the ray tissue is shaped differently. No aroma; fine structure; texture is usually straight; air dry density is 1.000 g/cm3.