Silt Block

Silt Blocks are soils very similar to Sand Blocks that appear at cavern layer. It is subject to gravity and will deal damage to any player or mob they fall on. Unlike sand, It is immune to the Hallow, the Crimson, and the Corruption. It looks similar to Ash Blocks, but is a lighter color.

It can be used in the same way as sand, and can be used to fill lava pits. It can also be used in creating traps, since it causes damage to whatever it falls onto.