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: 1
Number of individual trees analyzed: 1
Number of specimens: 2
Number of measurements: 6
Max PZC read (of all measurements): 14.7
Min PZC read (of all measurements): 12.5
Max PZC average on one log: 13.1
Min PZC average on one log: 13.1
PZC Average of all logs: 13.1

Species: jacaranda copaia
Family: Bignoniaceae
Clade: Angiospermae
Description: Tropical tree with very large, bipinnately compound leaves, white flowers, and woody capsule fruits.
Other Local Names: Caroba, Jacarana, Tarco, Tinto blanco, Caroba, Caroba do mato, Caroba manaca, Jacaranda, Marupa falso, Para-para, Pavito, Chingale, Gualanday, Arabisco, Kuiship, Fotui, Futui, Futi, Bois pian, Copaia, Copaya, Yachimambo, Chicharra caspi, Ishtapi, Copaia, Foeti, Gobaja, Goebaja, Gualanday

Reference Colour: Creamy white
Texture: Coarse
Grain: Straight
Interlocked Grain: Absent
Notes: Evacuation by floatage not recommended: low durability, logs tend to sink after a long period in water. Wood cream white to pinkish white.

Diameter: 50÷80cm
Density @12% MC: 430kg/m³
Janka Hardness: 330lbf
Crushing Strength @12%MC: 31MPa
Static Bending Strength @12%MC: 54MPa
Longitudinal Modulus of Elasticity E: 11.1GPa
Volumetric Shrinkage Coefficient: 0.56% per %
Total Tangential Shrinkage TS: 8.5%
Total Radial Shrinkage TS: 5.7%
T/R Anisotropy Ratio: 1.5-
Fibre Saturation Point: 32%
Thermal Conductivity: 0.15W/mk
Lower Heating Value: 18340KJ/Kg
Sapwood Demarcation: Not demarcated

Resistance to Decay: Class 5 – non-durable
Resistance to Dry Wood Borers: Class S – susceptible (risk in all the wood)
Resistance to Termites: Class S – susceptible
Treatability: Class 1 – treatable
Use Class Covered by Natural Durability: Class 1 – inside (no risk of dampness) Notes. Prone to blue stain. Atlas of Tropical Timber Species PARAPARÁ
Durability Notes: Prone to blue stain. Atlas of Tropical Timber Species PARAPARÁ Cross sections of Jacaranda copaia

Log Buoyancy: Floats
Log Conservation: Low (treatment necessary)
Drying Rate: Rapid
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: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Sawing Machining Notes: Log turning sawing recommended to avoid shakes caused by internal stresses.
Assembly Nailing Screwing: Poor
End Uses: Matches, Moulding, Turned goods, Blockboard, Boxes and crates, Fibre or particle boards, Veneer for interior of plywood, Sliced veneer, Interior joinery, Pulp, Built-in furniture or mobile item, Marquetry

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