High; the distinctive purple-brown coloring combined with 'spider-web' dark streaks and the specific pore structure is characteristic of Dalbergia nigra. confidence

Brazilian Rosewood

Dalbergia nigra · Exotic/Tropical Hardwood

Type: Exotic/Tropical Hardwood
Origin: Native to the Atlantic Forest of Brazil (States of Bahia, Minas Gerais, Rio de Janeiro, and São Paulo).
Hardness: 2,790 lbf (Extremely Hard)
Durability: Very Durable; highly resistant to rot, termites, and wood-boring insects due to high natural oil and extractives content.

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Grain Pattern

Interlocked and irregular with characteristic 'spider-webbing' and complex variegated figure; often contains dark streaks and landscape-like patterns.

Color & Appearance

Heartwood varies from chocolate brown to purplish black with darker streaks; sapwood is pale yellow. It darkens over time but maintains a deep, rich luster and natural chatoyance.

Hardness (Janka)

2,790 lbf (Extremely Hard)

Durability & Decay Resistance

Very Durable; highly resistant to rot, termites, and wood-boring insects due to high natural oil and extractives content.

Value & Sustainability

Estimated Market Value: $100.00 - $250.00 per board foot; highly variable depending on figure, documentation, and legality.
Wood Age Estimate: Old-growth character; sample shows significant oxidation and surface patina suggesting it was harvested or milled several decades ago.
Sustainability Status: CITES Appendix I (most restrictive level); listed as Vulnerable by the IUCN. Trade is strictly regulated and requires pre-Convention certifications.

Common Uses

High-end furniture, boutique musical instruments (guitar backs and sides), luxury cabinetry, knife handles, and fine veneers.

Geographic Origin

Native to the Atlantic Forest of Brazil (States of Bahia, Minas Gerais, Rio de Janeiro, and São Paulo).

Workability

Challenging due to high density and interlocked grain; prone to tear-out during machining. It glues well if natural oils are wiped with solvent. Dulls blades quickly.

Finish Recommendations

Tung oil or shellac (French Polish) to enhance natural luster; polyurethane can be used but natural oils may require a sealer like dewaxed shellac first.