Abstract
Ebony has a beautiful heartwood with black and brown streaks alternately. Each site has various streak pattern in which the industry classified it into two streak types namely batang macis (BM) and sarang laba-laba/bendera (SL). This research was conducted to investigate the influence of site on streak patterns and several physical properties of the heartwood of ebony. Ebony from Parigi has BM streaks pattern and meet the grade B-A, meanwhile ebony from Poso has SL streaks pattern, qualified for grade C only. On the basis of t-test, only L* (lightness-darkness) was differed between the two streak patterns, while wood density and initial moisture content were not differed significantly. The BM streaks pattern has a darker of heartwood color, higher density but lower initial moisture content.
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