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: 5
Number of measurements: 18
Max PZC read (of all measurements): 8.4
Min PZC read (of all measurements): 4.7
Max PZC average on one log: 7.5
Min PZC average on one log: 5.1
PZC Average of all logs: 6.3

Species: calycophyllum spp.
Family: Rubiaceae
Clade: Angiospermae
Description: Calycophyllum species are trees, often medium to large, belonging to the coffee family (Rubiaceae). They are frequently recognized by their smooth, reddish-brown bark that peels in thin, papery flakes, and bear simple, opposite leaves and small, often white or yellowish flowers.
Other Local Names: Palo banco, Ibira-moroti, Gayabochi, Capirona, Mulateiro, Corusicaa, Palo banco, Capirona

Reference Colour: Yellow brown
Texture: Fine
Grain: Straight or interlocked
Interlocked Grain: Slight
Notes: Beige grey to uniform yellowish beige. Silver figure very fine but perceptible.

Diameter: 30÷40cm
Density @12% MC: 830kg/m³
Janka Hardness: 1950lbf
Crushing Strength @12%MC: 77MPa
Static Bending Strength @12%MC: 116MPa
Longitudinal Modulus of Elasticity E: 20.56GPa
Volumetric Shrinkage Coefficient: 0.55% per %
Total Tangential Shrinkage TS: 8.2%
Total Radial Shrinkage TS: 3.9%
T/R Anisotropy Ratio: 2.1-
Fibre Saturation Point: 22%
Thermal Conductivity: 0.27W/mk
Sapwood Demarcation: Not 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 M – moderately durable
Treatability: Class 3 – poorly treatable
Use Class Covered by Natural Durability: Class 2 – inside or under cover (dampness possible) PAU MULATO

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
Machining Tool: Tungsten carbide
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Good
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.
End Uses: Turned goods, Interior joinery, Cabinetry (high-end furniture), Flooring, Musical instruments, Sculpture, Tool handles (resilient woods), Marquetry

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