Medium thick (3-5cm), hard, reddish brown pieces with fine lingitudinal ribs. The cross section shows phloem with reddish brown rings of resinous secretion, arranged alternately with reddish brown rings of resinous secretion, arranged alternately with reddish brown wood with 3-8 concentric, elongated, and sometimes excentrically-shifted rings. Numerous thin vessels should also be visible.