Growth Rings Growth Rings should not be considered a figure. However, when chatoyance is highlighted on purpose, it may interact with growth rings in curious ways. Below some examples: Larch, European (from [Source 15))- PZC = 7.6 Ash, European (from Linea Legno)- PZC = 16.1 Chestnut, Sweet (from [Source 14])- PZC = 14.8 Black Locust (from Akatz)- PZC = 20.6 Elm (from [Source 19])- PZC = 11.9 Cedar, European (from Segheria Proverbio)- PZC = 7.4 Fir, Douglas (from Evolution Panels and Doors)- PZC = 10.5 Bog Oak (from Bog_oak Moorwald)- PZC = 14.3 Mulberry (from [Source 27])- PZC = 20.1 Osage Orange, Green (from Paul Veerkamp)- PZC = 23.7 Oak, Red (from P. Hinds)- PZC = 12.4 Ash, American White (from P. Hinds)- PZC = 14.7 Elm (from [Source 27])- PZC = 14.2 Pine, Swiss Stone (from [Source 27])- PZC = 16.0 Ash, Tamo (from P. Hinds)- PZC = 16.4 Merbau du Cambodge (from [Source 42])- PZC = 15.9 Osage Orange (from 2feathers Creative Making)- PZC = 15.2 S. Alba (from [Source 27])- PZC = 16.8 C. Speciosa (from [Source 53])- PZC = 24.9 C. Speciosa (from [Source 58])- PZC = 11.0 Ailanthus (from M. Brintazzoli)- PZC = 15.5 Paulownia (from Joey Montagut)- PZC = 10.3 K. Pictus (from [Source 27])- PZC = 13.7 Laburnum (from P. Aloe)- PZC = 21.7 Sumac (from [Source 58])- PZC = 24.2 R. Copallinum (from [Source 28])- PZC = 18.1 Freijo (from Joey Montagut)- PZC = 16.1 E. Contortisiliquum (from NEHOSOC)- PZC = 7.0 Chestnut, American (from 2feathers Creative Making)- PZC = 10.5 Chestnut, Chinese (from [Source 28])- PZC = 9.9