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: 2
Number of individual trees analyzed: 2
Number of specimens: 2
Number of measurements: 12
Max PZC read (of all measurements): 12.0
Min PZC read (of all measurements): 10.3
Max PZC average on one log: 11.3
Min PZC average on one log: 10.7
PZC Average of all logs: 11.0

Species: zygia racemosa
Family: Fabaceae
Clade: Angiospermae
Description: Zygia racemosa is a small to medium-sized tree or large shrub with bipinnate leaves, producing clusters of white to cream flowers and distinctive flattened, often coiled seed pods.
Other Local Names: Firma, Ingarana, Ingarana da terra firma, Snakewood, Bois serpent, Bostamarinde, Sneki oedoe

Reference Colour: Orange yellow
Texture: Medium
Grain: Straight or interlocked
Interlocked Grain: Slight
Notes: Heartwood with irregular dark brown veins. These veins are not present in sapwood. Sometimes wavy grain.

Diameter: 25÷60cm
Density @12% MC: 1030kg/m³
Janka Hardness: 3180lbf
Crushing Strength @12%MC: 83MPa
Static Bending Strength @12%MC: 150MPa
Longitudinal Modulus of Elasticity E: 27.03GPa
Volumetric Shrinkage Coefficient: 0.74% per %
Total Tangential Shrinkage TS: 10.5%
Total Radial Shrinkage TS: 6%
T/R Anisotropy Ratio: 1.8-
Fibre Saturation Point: 28%
Thermal Conductivity: 0.33W/mk
Sapwood Thickness: 2÷3cm
Sapwood Demarcation: Not clearly demarcated

Resistance to Decay: Class 3 – moderately durable
Resistance to Dry Wood Borers: Class S – susceptible (risk in all the wood)
Resistance to Termites: Class D – durable
Treatability: Class 3 – poorly treatable
Use Class Covered by Natural Durability: Class 2 – inside or under cover (dampness possible) Atlas of Tropical Timber Species ANGELIM RAJADO / SNAKEWOOD*

Log Buoyancy: Does not float
Log Conservation: Moderate (treatment recommended)
Drying Rate: Normal to slow
Drying Risk of Distortion: Slight 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: Good
Sawing Machining Notes: Difficulties due to hardness and interlocked grain.
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: Turned goods, Cabinetry (high-end furniture), Panelling, Built-in furniture or mobile item, Flooring, Sliced veneer, Marquetry, Hydraulic works (seawater)

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