On a standardized scale of hardness called the Mohs scale, where diamond is 10, silicon carbide (or Carborundum), is 9.15 and boron carbide is 9.32.
(hardness; called; the Mohs scale) (diamond; is; 10) (silicon carbide (or Carborundum; is; 9.15 and boron carbide; L:On a standardized scale of hardness) (silicon carbide (or Carborundum; is; 9.32)
hardness diamond silicon carbide (or Carborundum silicon carbide (or Carborundum
called is is is
the Mohs scale
10
9.15 and boron carbide L:On a standardized scale of hardness
9.32