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: 7
Number of individual trees analyzed: 11
Number of specimens: 25
Number of measurements: 75
Max PZC read (of all measurements): 22.2
Min PZC read (of all measurements): 7.2
Max PZC average on one log: 20.5
Min PZC average on one log: 8.1
PZC Average of all logs: 14.2

Species: araucaria angustifolia
Family: Araucariaceae
Clade: Gymnospermae
Description: Araucaria angustifolia, also known as the Paraná Pine or Brazilian Pine, is a large, evergreen conifer native to southern Brazil. It’s characterized by its distinctive umbrella-shaped crown, straight trunk, and stiff, scale-like leaves. It produces large, edible seeds called pinhão.
Other Local Names: Pino Paraná, Curiy, Pinho brasileiro, Pinheiro de Paraná, Pinheiro, Pinheiro do Brasil, Araucaria, Pin Paraná, Pino blanco, Pinheiro do Brasil, Araucaria, Chilean pine, Paraná pine

Reference Colour: Light yellow
Texture: Fine
Grain: Straight
Interlocked Grain: Absent
Notes: Frequent purplish pink veins in heartwood.

Diameter: 80÷120cm
Density @12% MC: 540kg/m³
Janka Hardness: 750lbf
Crushing Strength @12%MC: 54MPa
Static Bending Strength @12%MC: 89MPa
Longitudinal Modulus of Elasticity E: 12.98GPa
Volumetric Shrinkage Coefficient: 0.48% per %
Total Tangential Shrinkage TS: 7.4%
Total Radial Shrinkage TS: 3.8%
T/R Anisotropy Ratio: 1-
Fibre Saturation Point: 27%
Thermal Conductivity: 0.19W/mk
Lower Heating Value: 18330KJ/Kg
Sapwood Thickness: 5÷8cm
Sapwood Demarcation: Not clearly demarcated

Resistance to Decay: Class 4-5 – poorly durable to not durable
Resistance to Dry Wood Borers: Class D – durable (heartwood durable but sapwood not clearly demarcated)
Resistance to Termites: Class S – susceptible
Treatability: Class 2 – moderately treatable.
Use Class Covered by Natural Durability: Class 1 – inside (no risk of dampness) Notes. This species is listed in the NF EN 350 standard. Sapwood often very important; end-uses under use class 4 possible with an adequate preservation treatment. Prone to blue stain. Atlas of Tropical Timber Species PINHO PARANÁ
Durability Notes: This species is listed in the NF EN 350 standard. Sapwood often very important; end-uses under use class 4 possible with an adequate preservation treatment. Prone to blue stain. Atlas of Tropical Timber Species PINHO PARANÁ Cross sections of Araucaria angustifolia

Log Buoyancy: Floats
Log Conservation: Low (treatment necessary)
Drying Rate: Normal to slow
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: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Sawing Machining Notes: Internal stresses in the wood may cause distortion in machining.
Assembly Nailing Screwing: Good
End Uses: Matches, Moulding, Framing, Blockboard, Cabinetry (high-end furniture), Fibre or particle boards, Boxes and crates, Flooring, Veneer for back or face of plywood, Sliced veneer, Veneer for interior of plywood, Poles, Panelling, Pulp, Interior joinery, Cooperage, Built-in furniture or mobile item

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