Meersalm Skin

This spell functions like Stoneskin except if the spell absorbs all the damage dealt by a weapon, the weapon must make a Fortitude saving throw or take 3d6 points of damage.
The target's skin takes on a metallic copper coloration for the duration of the spell.
Material Component: A vial of meersalm worth 250 gp.
Range: Touch
Clr 1

From: Dragon #354