Oak

Oak
  • The heartwood of oak varies between grayish-yellow, light to dark brown.
  • Annual rings and growth zones are not clearly prominent. Medullary rays are often broad and easily recognizable.
  • They form unevenly sized and differently shaped "mirrors," which are characteristic of oak.
  • The structures vary greatly depending on the growth area and age, ranging from usually straight to spiral growth.
  • The texture also varies from fine to coarse.
  • Knotty and burr oak are characterized by a particularly wild grain pattern.
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