Elemint is dark icon theme designed to use with light themes, it is released under Creative Commons by-sa license. The goal of EleMint is to expand the variety of available icons for Elegant Brit, injecting a little more colour and energy, while staying true to the graphic style and restricted palette. Currently this icon pack offers more than 1000+ icons and still in active development. If you want to add any icon to this pack or see any missing icon in this set then report to creator this icon theme. Also check themes collection.
You can use Unity Tweak ToolGnome-tweak-tool or Ubuntu-Tweak to change themes/icons.
elemint icons

elemint icons

elemint icons

elemint icons

>>> Available for Ubuntu 15.04 Vivid/14.04 Trusty/14.10/12.04 Precise/Linux Mint 17.1/17/13
To install Elemint Icons in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
That's it
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