Shroomite Bar

Shroomite Bars can be crafted by standing near an Autohammer with a Chlorophyte Bar and 15 Glowing Mushroom. These bars are so far used in the Shroomite armor, the Hoverboard and the Shroomite Digging Claw. You need 810 Glowing Mushrooms and 54 Chlorophyte Bars to make the Shroomite armor; For the Hoverboard or the Shroomite Digging Claw, you need 270 Glowing Mushrooms and 18 Chlorophyte Bars. So, to craft all Shroomite equipment, you need 1350 Glowing Mushrooms and 36 Chlorophyte Bars.

Trivia

 * Shroomite bars and Hallowed bars are the only bars in the game that do not have an ore.