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: 8
Number of individual trees analyzed: 10
Number of specimens: 27
Number of measurements: 87
Max PZC read (of all measurements): 28.5
Min PZC read (of all measurements): 15.0
Max PZC average on one log: 27.3
Min PZC average on one log: 17.6
PZC Average of all logs: 21.9

Species: copaifera salikounda
Family: Fabaceae
Clade: Angiospermae
Description: Copaifera salikounda is a medium to large African rainforest tree with pinnate leaves, small white flowers, and flat woody pods, known for producing oleoresin.
Other Local Names: Akpaflo, Essak, Yama, Andem-éviné, Anzèm noir, Entedua, Ovbialeke, Bilombi, Yama, Bofélélé

Reference Colour: Red brown
Texture: Medium
Grain: Straight or interlocked
Interlocked Grain: Slight
Notes: Presence of resin. Wood often moiré.

Diameter: 80÷120cm
Density @12% MC: 710kg/m³
Janka Hardness: 1500lbf
Crushing Strength @12%MC: 68MPa
Static Bending Strength @12%MC: 115MPa
Longitudinal Modulus of Elasticity E: 14.56GPa
Volumetric Shrinkage Coefficient: 0.53% per %
Total Tangential Shrinkage TS: 7.5%
Total Radial Shrinkage TS: 4.5%
T/R Anisotropy Ratio: 1.7-
Fibre Saturation Point: 26%
Thermal Conductivity: 0.24W/mk
Sapwood Thickness: 5÷10cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 3 – moderately durable
Resistance to Dry Wood Borers: Class D – durable (sapwood demarcated, risk limited to sapwood)
Resistance to Termites: Class M – moderately durable
Treatability: Class 3 – poorly treatable Atlas of Tropical Timber Species
Use Class Covered by Natural Durability: Class 2 – inside or under cover (dampness possible)

Log Buoyancy: Does not float
Log Conservation: Moderate (treatment recommended)
Drying Rate: Normal
Drying Risk of Distortion: Slight risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: Slight risk

Blunting Effect: Normal
Sawing Tooth: Ordinary or alloy steel
Machining Tool: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Sawing Machining Notes: Resin can sometimes clog tools with sawing and machining.
Assembly Nailing Screwing: Good
End Uses: Shingles, Exterior joinery, Framing, Interior joinery, Cabinetry (high-end furniture), Built-in furniture or mobile item, Stairs (inside), Moulding, Veneer for back or face of plywood, House framing, Veneer for interior of plywood, Flooring, Panelling, Sliced veneer, Glued Laminated, Exterior panelling

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