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PZC Chatometry

A standard system to measure wood chatoyance

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  • What is Chatoyance?
    • Curl
    • Ribbon Stripe
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  • The PZC method
    • Scale example 1
    • Scale example 2
    • Scale example 3
    • Scale example 4
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    • Summary Table
    • Africa
      • Abura
      • Afrormosia
      • Agba
      • Agba
      • Afzelia
      • Aniegre
      • Avodire
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      • Bilinga
      • Bilinga
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      • Ebiara
      • Ebony, Gaboon
      • Etimoe
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      • Faro
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      • Kotibe
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      • Limba
      • Limba, Black
      • Makore
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      • Ocotea
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      • Rosewood, African Blackwood
      • Rosewood, African Blackwood
      • Rosewood, Madagascar
      • Sapele
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      • Walnut, African
      • Zebrawood
    • Asia
      • Acacia, unspecified
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      • Albizia, unspecified
      • Alstonia
      • Artocarpus
      • Ash, Tamo
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      • Ebony, Macassar
      • Fig, misc.
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      • Paulownia
      • Rosewood, Indian
      • Satinwood
      • Sen
      • Sucupira
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    • Europe
      • Alder
      • Apple
      • Ash, European
      • Ash, Olive
      • Beech, European
      • Birch
      • Birch, Karelian Burl
      • Black Locust
      • Bog Oak
      • Cedar, European
      • Cherry, Sweet
      • Chestnut, Horse
      • Chestnut, Sweet
      • Cypress, Mediterranean
      • Elm
      • Fir, European Silver
      • Hawthorn
      • Hazelnut
      • Hornbeam
      • Laburnum
      • Lagerstroemia
      • Larch, European
      • London Plane
      • Lime, European
      • Madrone
      • Maple, European
      • Mulberry
      • Oak, Sessile
      • Olive
      • Olive, Russian
      • Poplar, Yellow
      • Pine, Maritime
      • Pine, Swiss Stone
      • Pine, unspecified
      • Pear
      • Poplar
      • Spruce, Fiemme (Ciresa tonewood)
      • Sumac
      • Walnut, European
      • Yew
    • North America
      • Ash, American White
      • Alder, Red
      • Beech, North American
      • Beech, North American
      • Boxelder
      • Butternut
      • Catalpa
      • Cedar, Eastern Red
      • Cedar, Western Red
      • Cherry, Black
      • Cypress, Bald
      • Cypress, Lawson
      • Desert Ironwood
      • Desert Ironwood
      • Dogwood
      • Fir, Douglas
      • Giant Sequoia
      • Hackberry
      • Hemlock
      • Hickory
      • Holly
      • Honey Locust
      • Juniperus misc.
      • Koa
      • Magnolia
      • Maple, Bigleaf
      • Maple, Bigleaf
      • Maple, Hard
      • Mesquite
      • Mesquite
      • Oak, Red
      • Oak, White
      • Osage Orange
      • Osage Orange, Green
      • Red Gum
      • Pecan
      • Pecan
      • Redwood
      • Sassafras
      • Service Tree
      • Sycamore, American
      • Sycamore, American
      • Walnut, Black
      • Walnut, Claro
      • Walnut, Claro
      • Willow
    • Oceania
      • Agathis
      • Ash, Crow’s
      • Australian Blackwood
      • Black Bean
      • Cedar, Australian Red
      • Eucalyptus, unspecified
      • Ash, Mountain
      • Gum, River Red
      • Oak, Tasmanian
      • Jarrah
      • Maple, Queensland
      • Oak, Northern Silky
      • Oak, Southern Silky
      • Pine, Huon
      • She-Oak, River
      • Spotted Gum
      • Tasmanian Myrtle
      • Walnut, Queensland
    • South and Central America
      • Angelim
      • Araucaria
      • Aspidosperma
      • Bloodwood
      • Bocote
      • Canarywood
      • Carapa
      • Cedar, Spanish
      • Cerejeira
      • Chechen
      • Cumaru
      • Curupixa
      • Freijo
      • Garapa
      • Goncalo Alves
      • Goupie
      • Granadillo
      • Guanacaste
      • Guatambu
      • Imbuia
      • Ipe
      • Jacareuba
      • Jatoba
      • Jequitiba
      • Katalox
      • Leopardwood
      • Lignum Vitae
      • Louro Faia
      • Louro Preto
      • Mahogany, Cuban
      • Mahogany, Honduras
      • Massaranduba
      • Nothofagus
      • Osage Orange, Argentine
      • Pao Rosa
      • Peroba Rosa
      • Piquiarana
      • Podocarpus
      • Primavera
      • Rosewood, Brazilian
      • Rosewood, Cocobolo
      • Rosewood, Honduras
      • Rosewood, Kingwood
      • Rosewood, Santos
      • Tatajuba
      • Timbauba
      • Tineo
      • Tulipwood (Brazilian)
      • Ziricote
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Black Locust

Botanical NameRobinia Pseudoacacia
Common NamesBlack Locust
Number of sources16
Number of different logs35
Number of specimens76
Number of measurements234
Max PZC read (of all measurements)28.4
Min PZC read (of all measurements)7.1
Max PZC average on one log23.1
Min PZC average on one log7.4
PZC Average of all logs14.9
Summary table

Visualized Chatoyance examples (one each different log)

Log 1 (from Akatz) – PZC = 23.3
Log 2 (from [Source 19]) – PZC = 17.7
Log 3 (from M. Zanichelli) – PZC = 17.1
Log 4 (from [Source 10]) – PZC = 23.5
Log 5 (from M. Brintazzoli) – PZC = 10.4
Log 6 (from [Source 9]) – PZC = 13.7
Log 7 (from Segheria Proverbio) – PZC = 16.5
Log 8 (from Tim Connell) – PZC = 16.6
Log 9 (from P. Aloe) – PZC = 15.9
Log 10 (from [Source 27]) – PZC = 12.2
Log 11 (from [Source 39]) – PZC = 18.2
Log 12 (from [Source 60]) – PZC = 20.5
Log 13 (from N. Borlin) – PZC = 18.8
Log 14 (from [Source 56]) – PZC = 15.9
Log 15 (from [Source 76]) – PZC = 18.3
Log 16 (from [Source 93]) – PZC = 7.4
Log 17 (from [Source 93]) – PZC = 18.7
Log 18 (from [Source 93]) – PZC = 19.3
Log 19 (from [Source 93]) – PZC = 10.0
Log 20 (from [Source 93]) – PZC = 14.0
Log 21 (from [Source 93]) – PZC = 14.1
Log 22 (from [Source 93]) – PZC = 14.2
Log 23 (from [Source 93]) – PZC = 9.0
Log 24 (from [Source 93]) – PZC = 14.5
Log 25 (from [Source 93]) – PZC = 11.3
Log 26 (from [Source 93]) – PZC = 14.2
Log 27 (from [Source 93]) – PZC = 13.1
Log 28 (from [Source 93]) – PZC = 11.3
Log 29 (from [Source 93]) – PZC = 12.6
Log 30 (from [Source 93]) – PZC = 14.7
Log 31 (from [Source 93]) – PZC = 10.6
Log 32 (from [Source 93]) – PZC = 12.7
Log 33 (from [Source 93]) – PZC = 18.1
Log 34 (from [Source 93]) – PZC = 10.0
Log 35 (from [Source 93]) – PZC = 12.7

See also
OUT OF THE TABLESAW
ULTRA FINE SANDING
EPOXY RESIN
AMMONIA FUMING
FRESH CUT WOOD
PATCH OF BLACK LOCUST TREES
CHATOYANCE VS FLUORESCENCE
MICROSCOPE PICTURES

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