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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

Australian Blackwood

acacia melanoxylon, 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: 11
Number of individual trees analyzed: 26
Number of specimens: 72
Number of measurements: 246
Max PZC read (of all measurements): 37.5
Min PZC read (of all measurements): 14.6
Max PZC average on one log: 35.6
Min PZC average on one log: 17.5
PZC Average of all logs: 26.7

Species: acacia melanoxylon
Family: Fabaceae
Clade: Angiospermae
Description: Acacia melanoxylon (Blackwood) is a medium to large tree featuring dark, furrowed bark and distinctive flattened, sickle-shaped phyllodes (modified leaf stalks) instead of true leaves. It produces pale yellow, globular flower clusters, followed by coiled seed pods.

Pictures – each from a different individual tree:

Log 1 (from NEHOSOC) – PZC = 28.3
Log 2 (from [Source 53]) – PZC = 36.4
Log 3 (from Joey Montagut) – PZC = 28.7
Log 4 (from [Source 28]) – PZC = 34.4
Log 5 (from Australian Premier Veneer) – PZC = 27.2
Log 6 (from Australian Premier Veneer) – PZC = 31.6
Log 7 (from Australian Premier Veneer) – PZC = 25.2
Log 8 (from I. Beasley / S. Meldrum) – PZC = 33.3
Log 9 (from Boutique Timber) – PZC = 22.8
Log 10 (from Boutique Timber) – PZC = 22.2
Log 11 (from Boutique Timber) – PZC = 20.7
Log 12 (from Boutique Timber) – PZC = 20.4
Log 13 (from I. Beasley / S. Meldrum) – PZC = 31.7
Log 14 (from I. Beasley / S. Meldrum) – PZC = 32.2
Log 15 (from I. Beasley / S. Meldrum) – PZC = 34.6
Log 16 (from I. Beasley / S. Meldrum) – PZC = 28.2
Log 17 (from [Source 79]) – PZC = 23.4
Log 18 (from Carabinieri e Associazione Forestali) – PZC = 18.4
Log 19 (from Carabinieri e Associazione Forestali) – PZC = 22.4
Log 20 (from Carabinieri e Associazione Forestali) – PZC = 22.8
Log 21 (from [Source 121]) – PZC = 19.0
Log 22 (from K. Weytmans) – PZC = 29.9
Log 23 (from K. Weytmans) – PZC = 26.5
Log 24 (from K. Weytmans) – PZC = 24.1
Log 25 (from K. Weytmans) – PZC = 33.4
Log 26 (from K. Weytmans) – PZC = 27.2

See also
FINISHING TASMANIAN BLACKWOOD
STABILIZATION
HUNTING FOR TASMANIAN BLACKWOOD
TASMANIAN BLACKWOOD HEARTWOOD AND SAPWOOD
INCLUDED BRANCHES
SUNLIGHT EXPOSURE ON TASMANIAN BLACKWOOD
LARGE GIFS 2
AUSTRALIAN SPECIES

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