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): 18.4
Min PZC read (of all measurements): 15.3
Max PZC average on one log: 16.6
Min PZC average on one log: 16.6
PZC Average of all logs: 16.6

Species: mammea africana
Family: Calophyllaceae
Clade: Angiospermae
Description: Mammea africana is a large, evergreen tropical tree native to Africa, characterized by its glossy, leathery leaves and substantial, edible, yellow-orange fruit with a juicy pulp.
Other Local Names: Ologbomodu, Abotzok, Libu, M’bossi, Djimbo, Ébornzork, Bom pegya, Ologbomidu, Bolélé, Bolele, Bokoli, Boliki, M’boza

Reference Colour: Red brown
Texture: Medium
Grain: Interlocked grain
Interlocked Grain: Slight
Notes: Dark red to purplish red brown wood. Sometimes frequent small brown resinous spots.

Diameter: 60÷100cm
Density @12% MC: 750kg/m³
Janka Hardness: 1560lbf
Crushing Strength @12%MC: 65MPa
Static Bending Strength @12%MC: 115MPa
Longitudinal Modulus of Elasticity E: 16.04GPa
Volumetric Shrinkage Coefficient: 0.44% per %
Total Tangential Shrinkage TS: 9.5%
Total Radial Shrinkage TS: 6%
T/R Anisotropy Ratio: 1.6-
Fibre Saturation Point: 37%
Thermal Conductivity: 0.25W/mk
Sapwood Thickness: 3÷6cm
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 D – durable
Treatability: Class 3 – poorly treatable
Use Class Covered by Natural Durability: Class 4 – in ground or fresh water contact Atlas of Tropical Timber Species OBOTO
Durability Notes: 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: Normal to slow
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: High risk

Blunting Effect: Normal
Machining Tool: Ordinary
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Not recommended or without interest
Assembly Nailing Screwing: Good but pre-boring necessary
Additional Notes: Sometimes difficult to paint or varnish due to resin exudations
End Uses: Framing, Flooring, Panelling, Decking, Exterior joinery, Bridges (parts not in contact with water, Interior joinery or ground), Built-in furniture or mobile item

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