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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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Spruce, Fiemme (Ciresa tonewood)

Botanical NamePicea Excelsa
Common NamesSpruce, Fiemme (Ciresa Tonewood)
Number of sources1
Number of different logs17
Number of specimens30
Number of measurements90
Max PZC read (of all measurements)13.1
Min PZC read (of all measurements)7.1
Max PZC average on one log12.6
Min PZC average on one log7.6
PZC Average of all logs9.3
Summary table

Visualized Chatoyance examples (one each different log)

Log 1 (from Ciresa) – PZC = 8.9
Log 2 (from Ciresa) – PZC = 10.5
Log 3 (from Ciresa) – PZC = 7.9
Log 4 (from Ciresa) – PZC = 8.4
Log 5 (from Ciresa) – PZC = 7.3
Log 6 (from Ciresa) – PZC = 12.7
Log 7 (from Ciresa) – PZC = 10.2
Log 8 (from Ciresa) – PZC = 9.9
Log 9 (from Ciresa) – PZC = 7.7
Log 10 (from Ciresa) – PZC = 10.1
Log 11 (from Ciresa) – PZC = 9.4
Log 12 (from Ciresa) – PZC = 9.7
Log 13 (from Ciresa) – PZC = 9.3
Log 14 (from Ciresa) – PZC = 9.1
Log 15 (from Ciresa) – PZC = 8.7
Log 16 (from Ciresa) – PZC = 8.9
Log 17 (from Ciresa) – PZC = 9.0

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