Chatoyance was measured by the chatometry.com team using the PZC method. The statistics for this specific timber are hereby summarized to provide an evaluation of data robustness:
Number of sources for samples: 1
Number of individual trees analyzed: 1
Number of specimens: 2
Number of measurements: 6
Max PZC read (of all measurements): 7.4
Min PZC read (of all measurements): 6.4
Max PZC average on one log: 6.9
Min PZC average on one log: 6.9
PZC Average of all logs: 6.9

Species: desbordesia glaucescens
Family: Irvingiaceae
Clade: Angiospermae
Description: Desbordesia glaucescens is a large tropical African tree characterized by its alternate, leathery leaves with distinctive glaucous undersides, small yellowish-white flowers, and ovoid yellow drupes.
Other Local Names: Omang, Benga, Kowo, Benga

Reference Colour: Yellow brown
Texture: Fine
Grain: Straight
Interlocked Grain: Absent

Diameter: 90÷100cm
Density @12% MC: 1050kg/m³
Janka Hardness: 3270lbf
Crushing Strength @12%MC: 80MPa
Static Bending Strength @12%MC: 157MPa
Longitudinal Modulus of Elasticity E: 23.39GPa
Volumetric Shrinkage Coefficient: 0.67% per %
Total Tangential Shrinkage TS: 10.9%
Total Radial Shrinkage TS: 6.8%
T/R Anisotropy Ratio: 1.6-
Fibre Saturation Point: 28%
Thermal Conductivity: 0.33W/mk
Lower Heating Value: 16460KJ/Kg
Sapwood Thickness: 5÷8cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 1 – very durable
Resistance to Dry Wood Borers: Class D – durable (sapwood demarcated, risk limited to sapwood)
Resistance to Termites: Class D – durable
Treatability: Class 3 – poorly treatable
Use Class Covered by Natural Durability: Class 4 – in ground or fresh water contact ALEP
Durability Notes: This species is listed in the NF EN 350 standard. This species naturally covers the use class 5 (wood permanently or regularly submerged in salt water, sea water or brackish water) due to its high specific gravity and its hardness. According to the European standard NF EN 335 of May 2013, performance length might be modified by conditions in which it is used.

Log Buoyancy: Does not float
Log Conservation: Good
Drying Rate: Slow
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: High risk

Blunting Effect: Fairly high
Sawing Tooth: Stellite-tipped
Machining Tool: Tungsten carbide
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Not recommended or without interest
Assembly Nailing Screwing: Good but pre-boring necessary
Assembly Notes: Very high specific gravity: important that gluing be performed in compliance with the code of practice and instructions for the glue used.
End Uses: Heavy carpentry ground), Vehicle or container flooring, Poles, Decking, Hydraulic works (fresh water), Bridges (parts in contact with water or, Sleepers

Source 1: Tropical Timber Atlas, Editions Quae, e-ISBN 978-2-7592-2770-9