Theme icons Square-Beam designed by the same author who created icons Square for Linux (Eep Setiawan), and this set of icons based on themes Faenza, NITRUX, Moka and Pacifica.
This theme icons provides a large number – more than 30 000 – various elegant icons. Icons good fit any theme, whether dark or light theme.
Installation into Linux Mint:
sudo add-apt-repository ppa:noobslab/iconssudo apt-get updatesudo apt-get install square-beam-icons