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After installing Emerald icon theme you will find two themes: Emerald, which it can be used with light skins and Emerald-Dark, if you use a dark theme.
The Emerald icon theme is compatible with all environments Linux Mint. The Emerald theme is in constant active development.
Installation latest version into Linux Mint:
sudo add-apt-repository ppa:noobslab/icons sudo apt-get update sudo apt-get install emerald-icon-theme
After the installation, activate one of the at your discretion in the application by customizing the appearance, according to the environment of your desktop.