LinuxBSDos.com published a Disk partitioning guide for Linux Mint Debian
Linux Mint Debian is the latest version of Linux Mint. Unlike other versions of Mint, it is not based on Ubuntu, but rather on Debian Testing, and comes with a brand new installer. Also, unlike the Ubuntu-based versions, the installer does not have an automatic disk partitioning feature – it requires manual disk partitioning with GParted.Disk partitioning guide for Linux Mint Debian
This tutorial provides a detailed guide on how to partition a single disk for installing Linux Mint Debian, and begins at the step where the disk is detected. The three step prior to this, representing the language selection, timezone settings, and keyboard layout selection have been omitted.