A typical steel knife would be in the 5-5.5 range on the Mohs scale.
Burl Barer's birth name is Burl Roger Barer.
Aubrey Burl was born in 1926.
Burl Ives is 6' 1".
Burl Ives was straight.
Burl Toler was born in 1928.
Burl Ives was born on June 14, 1909.
Burl Ives died on April 14, 1995 at the age of 85.
Burl Ives was born on June 14, 1909.
Burl S. Watson died in 1975.
Yes because a copper coin (being made of copper which is a 3 on the Mohs scale of hardness), is not as hard as a knife blade (which is a 5.5 on the Mohs scale of hardness).
A burl is a tree growth in which the grain has grown in a deformed matter, or wood cut from such a growth.