Mentality Malle is from the Tetrachromes collection. It is a blackened multichrome with glass flecks that shifts violet-blue, violet, red, to orange-yellow. It is super opaque in one coat, so I’m guessing this would make a great stamping polish. This is however two coats and a coat of Seche Vite.
You can buy Malle and a lot of other indies from EdgyPolish – they have worldwide delivery!