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: 5
Number of individual trees analyzed: 5
Number of specimens: 12
Number of measurements: 36
Max PZC read (of all measurements): 26.6
Min PZC read (of all measurements): 6.8
Max PZC average on one log: 21.7
Min PZC average on one log: 7.4
PZC Average of all logs: 13.7

Species: enterolobium schomburgkii
Family: Fabaceae
Clade: Angiospermae
Description: Enterolobium schomburgkii, commonly known as the Ear Pod Tree, is a large, fast-growing deciduous tree in the Fabaceae family. It features bipinnately compound leaves, small white puffball flowers, and highly distinctive, large, dark brown, ear-shaped woody pods.
Other Local Names: Fava de rosca, Fava orelha de macaco, Fava orelha de negro, Genizero, Orelha de macaco, Timbauba, Timborana, Acacia franc, Bougou bati batra, Tamaren prokoni

Reference Colour: Brown
Texture: Medium
Grain: Straight or interlocked
Interlocked Grain: Slight
Notes: Logs are often clearly curved. Sometimes wavy grain.

Diameter: 50÷80cm
Density @12% MC: 830kg/m³
Janka Hardness: 1650lbf
Crushing Strength @12%MC: 66MPa
Static Bending Strength @12%MC: 115MPa
Longitudinal Modulus of Elasticity E: 17.09GPa
Volumetric Shrinkage Coefficient: 0.61% per %
Total Tangential Shrinkage TS: 9%
Total Radial Shrinkage TS: 4.1%
T/R Anisotropy Ratio: 2.2-
Fibre Saturation Point: 26%
Thermal Conductivity: 0.27W/mk
Lower Heating Value: 19570KJ/Kg
Sapwood Thickness: 3÷5cm
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 Notes. According to the European standard NF EN 335 of May 2013, performance length might be modified by conditions in which it is used. Atlas of Tropical Timber Species BATIBATRA
Durability Notes: According to the European standard NF EN 335 of May 2013, performance length might be modified by conditions in which it is used. Atlas of Tropical Timber Species BATIBATRA Cross sections of Enterolobium schomburgkii

Log Buoyancy: Does not float
Log Conservation: Good
Drying Rate: Normal to slow
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: Yes
Drying Risk of Checking: High risk

Blunting Effect: Normal
Sawing Tooth: Ordinary or alloy steel
Machining Tool: Ordinary
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Good
Sawing Machining Notes: Requires power. Raised grain occurs when planing in presence of interlocked grain.
Assembly Nailing Screwing: Good
Assembly Notes: 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, Heavy carpentry, Cabinetry (high-end furniture), Stairs (inside), Panelling, Tool handles (resilient woods), Exterior joinery, Interior joinery, Built-in furniture or mobile item, House framing, Flooring, Sliced veneer, Decking, Bridges (parts in contact with water or, ground), Bridges (parts not in contact with water, or ground), Hydraulic works (fresh water), Sleepers

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