To Make a Copy of a Material

Do one of the following:

From the Material option menu, choose the material to copy.

or
In the Palette/Material tree select the material.
Click the Copy icon.
In the Palette/Material tree select the palette into which the material is to be copied (may be the same palette from which it is being copied).
Click the Paste icon.
(Optional) Make adjustments to the settings for the copied material.