Here's how you can install the EleMint icon theme in Linux Mint 17. These icons are based on Elegant Brit. They are faithful to the style and palette of Elegant Brit but contain more color and energy, according to the creator of the EleMint icon theme.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each:
sudo add-apt-repository ppa:noobslab/icons
sudo apt-get update
sudo apt-get install elemint-icons
Source: Noobs Lab
Additional resources for EleMint Icons
Additional Linux Mint resources