Longitudinal section of Peroba Rosa (Aspidosperma polyneuron), Brazil Wood sample, sanded and without any other surface treatment: 10 x 15 cm; Wood origin: Brazil; Biome de la Mata Atl?ntica; Average wood density: 755 kg/ml at 12% moisture content; Janka hardness test: 757 kgf, 1670 lbf, 7450 N; Monnin hardness test: 8.3; IUCN Red List = EN (1998)