Home / Product Color Range / Clear Yellow Birch has no stains, checks, or splits, however minor ßecking and mineral streaks are strictly limited there can also be an occasional small sound knot. Clear Yellow Birch has no stains, checks, or splits, however minor ßecking and mineral streaks are strictly limited there can also be an occasional small sound knot. Contact a Specialist WordPress › Error There has been a critical error on this website.Learn more about troubleshooting WordPress.