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PZC Chatometry

A standard system to measure wood chatoyance

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    • Woodworker’s Guide to Chatoyance
    • Woodworker’s Guide to Chatoyance – Compact Edition

Rosewood, Santos

machaerium villosum, Fabaceae, Angiospermae (Hardwood)

reference picture – see below for more pictures

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: 13
Number of individual trees analyzed: 14
Number of specimens: 35
Number of measurements: 114
Max PZC read (of all measurements): 20.8
Min PZC read (of all measurements): 8.0
Max PZC average on one log: 15.7
Min PZC average on one log: 8.5
PZC Average of all logs: 12.6

Species: machaerium villosum
Family: Fabaceae
Clade: Angiospermae
Description: Machaerium villosum is a medium to large tree characterized by its alternate, imparipinnate leaves with numerous leaflets. It produces small, whitish-yellow, pea-like flowers in terminal panicles, which develop into distinctive, winged samara fruits.

Pictures – each from a different individual tree:

Log 1 (from [Source 4]) – PZC = 19.5
Log 2 (from [Source 19]) – PZC = 15.0
Log 3 (from [Source 22]) – PZC = 16.9
Log 4 (from [Source 20]) – PZC = 8.9
Log 5 (from Seralvo) – PZC = 13.7
Log 6 (from P. Hinds) – PZC = 13.2
Log 7 (from [Source 28]) – PZC = 11.8
Log 8 (from [Source 27]) – PZC = 9.6
Log 9 (from [Source 25]) – PZC = 11.8
Log 10 (from P. Hinds) – PZC = 12.3
Log 11 (from C. Pozzoli) – PZC = 14.5
Log 12 (from [Source 79]) – PZC = 12.3
Log 13 (from [Source 85]) – PZC = 13.3
Log 14 (from [Source 89]) – PZC = 12.4

See also
EPOXY RESIN

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