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: 2
Number of specimens: 4
Number of measurements: 12
Max PZC read (of all measurements): 11.9
Min PZC read (of all measurements): 8.3
Max PZC average on one log: 10.7
Min PZC average on one log: 8.6
PZC Average of all logs: 9.7

Species: cryptomeria japonica
Family: Cupressaceae
Clade: Gymnospermae
Description: Cryptomeria japonica, or Japanese Cedar, is a large, pyramidal evergreen conifer. It features short, awl-shaped needles, often bronzing in winter, and distinctive reddish-brown bark that peels in strips.
Other Local Names: Japanische zeder, Liusan, San-sugi, Criptomeria japonesa, Cryptomeria, Crittomeria giapponese, Cryptomeria, Cryptomeria, Japanese cedar, Liusan, San-sugi

Reference Colour: Pinkish brown
Texture: Fine
Grain: Straight
Interlocked Grain: Absent
Notes: Light yellow sapwood. Heartwood pinkish brown with darker shades, sometimes even brown or black.

Diameter: 25÷65cm
Density @12% MC: 380kg/m³
Janka Hardness: 300lbf
Crushing Strength @12%MC: 33MPa
Static Bending Strength @12%MC: 55MPa
Longitudinal Modulus of Elasticity E: 8.9GPa
Volumetric Shrinkage Coefficient: 0.33% per %
Total Tangential Shrinkage TS: 6.9%
Total Radial Shrinkage TS: 2.6%
T/R Anisotropy Ratio: 2.7-
Fibre Saturation Point: 28%
Thermal Conductivity: 0.14W/mk
Lower Heating Value: 19650KJ/Kg
Sapwood Thickness: 3÷5cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 2 – durable
Resistance to Dry Wood Borers: Class D – durable (sapwood demarcated, risk limited to sapwood)
Resistance to Termites: Class S – susceptible
Treatability: Class 2(v)-3(v) – poorly to moderately permeable (v = variable)
Use Class Covered by Natural Durability: Class 3 – not in ground contact, outside
Durability Notes: This species is listed in the NF EN 350 standard.

Log Buoyancy: Floats
Log Conservation: Moderate (treatment recommended)
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
Sawing Tooth: Ordinary or alloy steel
Machining Tool: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Sawing Machining Notes: As with most softwoods, Cryptomeria is not recommended for turning.
Assembly Nailing Screwing: Good when
End Uses: Cladding, Exterior joinery, Shingles, Interior joinery, Framing, Built-in furniture or mobile item, Formwork, Moulding, Boxes and crates, House framing, Veneer for interior of plywood, Pallets, Panelling, Sliced veneer, Glued Laminated, Exterior panelling

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