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: 4
Number of individual trees analyzed: 4
Number of specimens: 11
Number of measurements: 33
Max PZC read (of all measurements): 23.8
Min PZC read (of all measurements): 9.7
Max PZC average on one log: 22.9
Min PZC average on one log: 10.8
PZC Average of all logs: 15.5

Species: maclura tinctoria
Family: Moraceae
Clade: Angiospermae
Description: Maclura tinctoria, or Fustic, is a large deciduous tree native to tropical Americas. It is highly valued for its durable, yellow heartwood, historically a primary source of natural yellow dye, and produces small, inedible, globose syncarp fruits.
Other Local Names: Tatayiva-saiyu, Amarillo, Amarello, Taiuva, Dinde, Palo amarillo, Palo de mora, Barossa, Bois d’orange

Reference Colour: Brown
Texture: Medium
Grain: Interlocked grain
Interlocked Grain: Marked
Notes: Sapwood greyish white to pale beige. Heartwood yellow turning golden brown to dark wood. Silver figure fine and clearly distinct. Interlocked grain produces a fine ribbon figure on radial surfaces.

Diameter: 80÷120cm
Density @12% MC: 880kg/m³
Janka Hardness: 3600lbf
Crushing Strength @12%MC: 91MPa
Static Bending Strength @12%MC: 151MPa
Longitudinal Modulus of Elasticity E: 21.9GPa
Volumetric Shrinkage Coefficient: 0.48% per %
Total Tangential Shrinkage TS: 6.1%
Total Radial Shrinkage TS: 3.3%
T/R Anisotropy Ratio: 1.8-
Fibre Saturation Point: 18%
Thermal Conductivity: 0.29W/mk
Sapwood Thickness: 4÷6cm
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 – 3-4 – poorly or not permeable
Use Class Covered by Natural Durability: Class 4 – in ground or fresh water contact MORAL
Durability Notes: This species is listed in the NF EN 350 standard. 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: No risk or very slight risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: No risk or very slight risk

Blunting Effect: Normal
Machining Tool: Tungsten carbide
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Good
Sawing Machining Notes: Machining dust may cause irritation.
Assembly Nailing Screwing: Good but pre-boring necessary
Assembly Notes: High specific gravity: important that gluing be performed in compliance with the code of practice and instructions for the glue used.
Additional Notes: Risk of oxydation in contact with iron
End Uses: Turned goods, Flooring, Heavy carpentry, Industrial or heavy flooring, Ship building (planking and deck), Sliced veneer, Stairs (inside), Decking, Vehicle or container flooring, Bridges (parts in contact with water or, Tool handles (resilient woods) ground), Exterior joinery, Exterior panelling, Built-in furniture or mobile item, Hydraulic works (fresh water), Sleepers

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