How to Identify Unknown Specimen (c00750)

Because this specimen is unidentified, the goal of this guide is not to confirm a name but to work through the diagnostic steps that would narrow it down. Begin with color and grain: the sample is a medium-to-dark brown with moderate, evenly visible grain and no strong figure, red cast, or dark streaking. That neutral brown places it among a large group of hardwoods and rules out the vividly colored species (purpleheart, padauk, yellowish iroko) at a glance, but does not by itself point to one wood.

The most informative step is to examine the end grain with a hand lens on a cleanly cut, slightly moistened face. Note whether the wood is ring-porous (large pores concentrated in the earlywood, as in oak, ash, or elm) or diffuse-porous (pores fairly even across the ring, as in walnut, maple, or many tropicals). Record pore size and spacing, whether pores are solitary or in radial chains, any pale mineral or tyloses deposits filling them, and the pattern of the light parenchyma tissue. Ray width and spacing on the radial face are also telling — conspicuous rays suggest oak or sycamore, fine rays point elsewhere.

Judge weight and hardness by hefting the piece and pressing a thumbnail into an inconspicuous spot. A dense, hard-feeling board narrows toward the heavier temperate or tropical hardwoods, while a lighter, softer feel points to species like some mahoganies. Check scent on a freshly cut or sanded surface: a distinctly aromatic, spicy, cedary, or floral odor is a strong clue, while a faint or neutral smell rules aromatic woods out. Finally, note grain direction — straight, wavy, or interlocked — and any figure that emerges when the surface catches the light.

Common look-alikes for a plain medium-brown hardwood include walnut (diffuse-porous, often grayer-brown, sometimes with darker streaks), sapele and the mahogany family (frequently a redder brown with ribbon stripe on quartered faces), teak and teak-substitutes (oilier feel, characteristic scent), and ring-porous browns like elm or chestnut (obvious earlywood pore rings). Distinguishing among them relies on the end-grain pore pattern, ray structure, weight, and smell rather than surface color alone. Until those features are recorded and matched, this specimen should remain catalogued as unidentified rather than being labelled with any of these names.