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: 5
Number of individual trees analyzed: 5
Number of specimens: 16
Number of measurements: 51
Max PZC read (of all measurements): 12.5
Min PZC read (of all measurements): 6.0
Max PZC average on one log: 11.6
Min PZC average on one log: 8.9
PZC Average of all logs: 10.0

Species: manilkara spp.
Family: Sapotaceae
Clade: Angiospermae
Description: Tropical evergreen trees known for their milky latex, hard wood, and often edible, fleshy fruits (e.g., sapodilla). They typically have simple, leathery leaves and small, inconspicuous flowers.
Other Local Names: Maparajuba, Paraju, Balata, Nispero, Beefwood, Bullet wood, Bulletwood, Balata, Beefwood, Bulletwood, Balata franc, Balata gomme, Balata rouge, Bois abeille, Nispero, Pamashto, Quinilla colorada, Bulletwood, Bolletrie, Balata, Massarandu

Reference Colour: Red brown
Texture: Fine
Grain: Straight
Interlocked Grain: Absent
Notes: Wood dark red brown with purplish shades.

Diameter: 60÷120cm
Density @12% MC: 1100kg/m³
Janka Hardness: 3870lbf
Crushing Strength @12%MC: 89MPa
Static Bending Strength @12%MC: 170MPa
Longitudinal Modulus of Elasticity E: 24.41GPa
Volumetric Shrinkage Coefficient: 0.75% per %
Total Tangential Shrinkage TS: 9.4%
Total Radial Shrinkage TS: 7.1%
T/R Anisotropy Ratio: 1.3-
Fibre Saturation Point: 27%
Thermal Conductivity: 0.35W/mk
Lower Heating Value: 19070KJ/Kg
Sapwood Thickness: 4÷6cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 1 – very durable
Resistance to Dry Wood Borers: Class D – durable (sapwood demarcated, risk limited to sapwood)
Resistance to Termites: Class D – durable
Treatability: Class 4 – non-treatable
Use Class Covered by Natural Durability: Class 4 – in ground or fresh water contact MAÇARANDUBA / BULLETWOOD*
Durability Notes: This species is listed in the NF EN 350 standard. This species covers the use class 5 (wood permanently or regularly submerged in salt water, sea water or brackish water) due to its high specific gravity and its hardness. However use class 5 coverage can very depending on the species. 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

Assembly Notes: Very high specific gravity: important that gluing be performed in compliance with the code of practice and instructions for the glue used.
Additional Notes: In Brazil, M. elata and M. longifolia are used for pulpwood
End Uses: Arched goods, Sliced veneer, Turned goods, Decking, Shingles, Bridges (parts in contact with water or, Heavy carpentry ground), Ship building (planking and deck), Bridges (parts not in contact with water, or ground), Stairs (inside), Poles, Stringed instruments (bows), Sculpture, Tool handles (resilient woods), Hydraulic works (fresh water and, Built-in furniture or mobile item, seawater), House framing, Sleepers, Industrial or heavy flooring, Stakes

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