Birch

Botanical NameBetula spp.
Common NamesBirch
Number of sources7
Number of different logs13
Number of specimens35
Number of measurements108
Max PZC read (of all measurements)22.9
Min PZC read (of all measurements)12.6
Max PZC average on one log21.3
Min PZC average on one log13.9
PZC Average of all logs17.5
Summary table

Visualized Chatoyance examples (one each different log)

Log 1 (from [Source 2]) – PZC = 21.5
Log 2 (from [Source 9]) – PZC = 19.6
Log 3 (from [Source 28]) – PZC = 17.5
Log 4 (from [Source 27]) – PZC = 19.3
Log 5 (from [Source 26]) – PZC = 19.9
Log 6 (from [Source 27]) – PZC = 19.2
Log 7 (from [Source 27]) – PZC = 16.9
Log 8 (from [Source 27]) – PZC = 15.6
Log 9 (from [Source 27]) – PZC = 17.8
Log 10 (from Evolution Panels and Doors) – PZC = 16.1
Log 11 (from Evolution Panels and Doors) – PZC = 17.7
Log 12 (from P. Hinds) – PZC = 15.4
Log 13 (from P. Hinds) – PZC = 15.7

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