This is an alternative toolbar icontheme for Inkscape 0.91. Plays nice with the stock mint x/y icon themes.
HOW TO USE?
Download the zipfile
Unzip the zipfile in /home/yourname/.config/inkscape/icons (if the directory doesn't exist, just make it). The file you want to use should be (re)named 'icons.svg' in order for Inkscape to find it.
Rename or delete icons.svg in /home/yourname/.config/inkscape/icons