The Fluix Crystal is an item added by Applied Energistics 2, which is used in crafting recipes throughout the crystal comes in two forms, the regular Fluix Crystal and the Pure Fluix are both interchangeable in crafting recipes. Recipe. To create a Fluix Crystal, 1 Charged Certus Quartz, 1 Nether Quartz, and 1 Redstone must be dropped into a pool of water.