Framed Glass
Added in Pyrite 0.1, Framed Glass is an elegant decorative block that can be used in a variety of builds. A Glass Pane variant is also included.
Torch Levers
Added in Pyrite 0.13, Torch Levers can be made out of all Vanilla torches and can be used to discreetly activate redstone devices.
Turf Sets
Added in Pyrite 0.11, Grass, Mycelium, Podzol, and Path blocks can be made into Turf, a six-sided block great for terraforming. Slabs, stairs, and carpets are also included.
Wall Gates
Added in Pyrite 0.7, every Vanilla Wall block can now be made into a corresponding Wall Gate. Like Fence Gates, but for Walls!
Flowers
Added in Pyrite 0.11, a variety of flowers removed from the game were added to Pyrite, including various colours of roses, as well as buttercups, pink daisies and paenoias.
Switchable Glass
Switchable Glass is a new redstone block which becomes opaque when powered.