As of September 15, 2022, Silica items had no use, and as of the Locked and Stocked update, no longer exists[]
Silica Crystals is a relatively rare resource in the game since it can be no longer obtained. it used to be used for the production of 
Pushers, Ice-Glass Blocks[]
Obtaining[]
Silica Crystals used to be obtained from 
Red Bots.
Yellow Bots previously dropped silica.
Used to craft[]
No longer an ingredient in any recipes.
