Sand Block

Description
Sand Blocks are a common block in Portal Knights. They are available in a large amount on a lot of islands of the game.

Source
Sand Blocks only occur naturally in the following locations:
 * Dusty Junction
 * Horseshoe Holdout
 * Callum's Claim
 * Landlubber's Leap
 * Angler's Wharf
 * Mosakola Harbor
 * Cape Carvel
 * Mayyan Delta
 * Deepest Mosakola

Crafting
Sand Blocks cannot be crafted.

Crafting Use

 * Grey Concrete Block

Trivia

 * Unlike most other sandbox games, sand blocks in Portal Knights aren't affected by gravity.