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PZC Chatometry

A standard system to measure wood chatoyance

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  • Home
  • What is Chatoyance?
    • Curl
    • Ribbon Stripe
    • Other Figures
    • Flecks
    • Growth Rings
  • The PZC method
    • Scale example 1
    • Scale example 2
    • Scale example 3
    • Scale example 4
  • Woods
    • Summary Table
    • Africa
      • Abura
      • Afrormosia
      • Afzelia
      • Aniegre
      • Avodire
      • Azobe
      • Boire
      • Cola
      • Bubinga
      • Ebiara
      • Ebony, Gaboon
      • Etimoe
      • Framire
      • Guarea
      • Iroko
      • Lati
      • Khaya
      • Kosipo
      • Koto
      • Limba
      • Limba, Black
      • Makore
      • Mansonia
      • Moabi
      • Movingui
      • Niangon
      • Niove
      • Obeche
      • Padouk
      • Ovangkol
      • Okoume
      • Purpleheart
      • Ramin
      • Rosewood, Madagascar
      • Sapele
      • Sipo
      • Tali
      • Tiama
      • Wenge
      • Walnut, African
      • Zebrawood
    • Asia
      • Acacia (misc)
      • Ailanthus
      • Albezia
      • Ash, Tamo
      • Bintangor
      • Bamboo
      • Coconut
      • Ebony, Macassar
      • Fig
      • Kapur
      • Keruing
      • Mango
      • Meranti
      • Merbau
      • Narra
      • Paulownia
      • Rosewood, Indian
      • Satinwood
      • Sen
      • Sucupira
      • Teak
    • Europe
      • Alder
      • Apple
      • Ash, European
      • Ash, Olive
      • Beech, European
      • Black Locust
      • Birch
      • Bog Oak
      • Cedar, European
      • Cherry, Sweet
      • Chestnut, Sweet
      • Cypress, Mediterranean
      • Elm
      • Fir, European Silver
      • Hawthorn
      • Hazelnut
      • Hornbeam
      • Lagerstroemia
      • Larch, European
      • London Plane
      • Lime, European
      • Madrone
      • Maple, European
      • Mulberry
      • Oak, Sessile
      • Olive
      • Poplar, Yellow
      • Pine, Maritime
      • Pine, Swiss Stone
      • Pine, unspecified
      • Pear
      • Poplar
      • Spruce, Fiemme (Ciresa tonewood)
      • Walnut, European
      • Yew
    • North America
      • Ash, American White
      • Alder, Red
      • Boxelder
      • Butternut
      • Catalpa
      • Cedar, Eastern Red
      • Cedar, Western Red
      • Cherry, Black
      • Cypress, Bald
      • Cypress, Lawson
      • Dogwood
      • Fir, Douglas
      • Giant Sequoia
      • Hackberry
      • Hemlock
      • Hickory
      • Holly
      • Honey Locust
      • Juniperus misc.
      • Koa
      • Magnolia
      • Maple, Hard
      • Oak, Red
      • Oak, White
      • Osage Orange
      • Osage Orange, Green
      • Red Gum
      • Redwood
      • Sassafras
      • Service Tree
      • Walnut, Black
      • Willow
    • Oceania
      • Agathis
      • Australian Blackwood
      • Cedar, Australian Red
      • Eucalyptus
      • Eucalyptus Regnans
      • Eucalyptus (River Red Gum)
      • Eucalyptus (Tasmanian Oak)
      • Maple, Queensland
      • Oak, Northern Silky
      • Spotted Gum
      • Tasmanian Myrtle
      • Walnut, Queensland
    • South and Central America
      • Angelim
      • Araucaria
      • Bloodwood
      • Bocote
      • Canarywood
      • Carapa
      • Cedar, Spanish
      • Cerejeira
      • Chechen
      • Cumaru
      • Garapa
      • Goncalo Alves
      • Granadillo
      • Imbuia
      • Ipe
      • Jacareuba
      • Jatoba
      • Jequitiba
      • Katalox
      • Louro Faia
      • Louro Preto
      • Mahogany, Cuban
      • Mahogany, Honduras
      • Massaranduba
      • Osage Orange, Argentine
      • Pao Rosa
      • Peroba Rosa
      • Podocarpus
      • Primavera
      • Rosewood, Cocobolo
      • Rosewood, Honduras
      • Rosewood, Kingwood
      • Rosewood, Santos
      • Timbauba
      • Tineo
      • Ziricote
  • Case studies
    • Roasting Curly Maple
    • Epoxy resin
    • Bleaching Sapele
    • Sapwood vs Heartwood
    • Different Materials
    • Sunlight & Weather
      • Sunlight exposure on purpleheart
      • Sunlight & Weather exposure on sweet cherry
      • Sunlight exposure on field maple
      • UV light exposure
    • Finishing
      • Finishing Maple
      • Finishing Curly Maple
      • Finishing Curly Maple – part 2
      • Surface preparation on Curly Maple
      • Incremental grit and finishing on Curly Maple
      • Finishing Okoume
      • Finishing London Plane
      • Finishing Blonde European Walnut
      • Finishing European Ash
      • Finishing European Elm
    • Progressive grit sanding
    • Ultra-fine sanding
    • Raw Veneer vs fine sanded
    • Quartersawn vs Flatsawn
      • Quartersawn vs Flatsawn on London plane
      • Quartersawn vs Flatsawn on Red Oak
      • Quartersawn vs Flatsawn on European Beech
    • Mud Curing on Osage Orange
    • No. 1 – Hawaiian Koa
    • High-res videos
    • Large GIFs [heavy pages…]
      • Large GIFs 1
      • Large GIFs 2
      • Large GIFs 3
      • Large GIFs 4
      • Large GIFs 5
      • Large GIFs 6
      • Large GIFs 7
      • Large GIFs 8
      • Australian species
    • Wood samples
    • Fresh-cut wood
    • From firewood to PZC results
  • Services
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Koa

Botanical NameAcacia Koa
Common NamesKoa
Number of sources5
Number of different logs23
Number of specimens42
Number of measurements174
Max PZC read (of all measurements)34.1
Min PZC read (of all measurements)12.4
Max PZC average on one log33.5
Min PZC average on one log18.1
PZC Average of all logs26.3
Summary table

Visualized Chatoyance examples (one each different log)

Log 1 (from Koa Wood Ranch) – PZC = 28.5
Log 2 (from Koa Wood Ranch) – PZC = 26.9
Log 3 (from Koa Wood Ranch) – PZC = 24.0
Log 4 (from Koa Wood Ranch) – PZC = 18.1
Log 5 (from Koa Wood Ranch) – PZC = 25.6
Log 6 (from Koa Wood Ranch) – PZC = 20.7
Log 7 (from Koa Wood Ranch) – PZC = 24.0
Log 8 (from [Source 28]) – PZC = 24.9
Log 9 (from anonimous supporter from Hawaii) – PZC = 29.3
Log 10 (from anonimous supporter from Hawaii) – PZC = 26.2
Log 11 (from anonimous supporter from Hawaii) – PZC = 22.1
Log 12 (from anonimous supporter from Hawaii) – PZC = 27.9
Log 13 (from anonimous supporter from Hawaii) – PZC = 27.8
Log 14 (from anonimous supporter from Hawaii) – PZC = 30.3
Log 15 (from anonimous supporter from Hawaii) – PZC = 26.8
Log 16 (from anonimous supporter from Hawaii) – PZC = 25.6
Log 17 (from anonimous supporter from Hawaii) – PZC = 33.5
Log 18 (from anonimous supporter from Hawaii) – PZC = 27.2
Log 19 (from anonimous supporter from Hawaii) – PZC = 26.4
Log 20 (from anonimous supporter from Hawaii) – PZC = 23.7
Log 21 (from [Source 56]) – PZC = 29.0
Log 22 (from Rusti Guitars) – PZC = 23.8
Log 23 (from Rusti Guitars) – PZC = 25.3

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