Refined Quartz is one of the harder-to-get materials that you will come across in Stardew Valley. They are used to craft a lot of materials in the game, but Refined Quartz is not something that you will be able to forage a good amount of in a short period. Refined Quartz is primarily used for making items like Solar Panel, Farm Computer, as well as Quality Sprinkler. The item can also be used in tailoring and building Slime Hutches.Today’s Stardew Valley guide will go over how you can get and use Refined Quartz in the game.How to farm Refined Quartz in Stardew ValleyHere are some of the best ways of obtaining Refined Quartz in Stardew Valley:1) Finding them in Skull CavernYou will be able to forage some Refined Quartz from the Skull Cavern. However, it’s very rare and not a reliable way of getting your hands on a good chunk of them. Additionally, you can also get it as a rare drop from the ghosts in the mines located on floors 51-90. Make sure to look for carbon ghosts as they have a 10% drop rate of Refined Quartz.2) Craft it from normal quartzYou can smelt normal Quartz or Fire Quartz in the furnace to get Refined Quartz. You will need one piece of coal for this as well. While one piece of quartz will give you one Refined Quartz, one Fire Quartz will give you three pieces of Refined Quartz.The smelting process for Refined Quartz is 1.5 hours of in-game time.3) Through recycling machineAnother way of obtaining Refined Quartz in Stardew Valley is through the recycling machine. You can get broken glass or broken CDs if you go through trash or pick up junk while out fishing. You can use this trash on the recycling machine to get Refined Quartz.4) Through ghostfish fish pondAnother reliable way of obtaining Refined Quartz is to own a ghostfish fish pond at your farm. When the population of the pond reaches nine, it has a chance of producing Refined Quartz.How to use Refined Quartz in Stardew ValleyHere are some of the things you can make with Quartz in Stardew Valley:1) Crafting:Solar Panel10 x Refined Quartz5 x Iron Bar5 x Gold Bar (Recipe from Caroline via Special Order)Farm Computer 10 x Refined Quartz1 x Dwarf Gadget1 x Battery Pack (Recipe from Demetrius via Special Order)Quality Sprinkler 1 x Refined Quartz1 x Iron Bar1 x Gold Bar (Recipe by hitting Farming Level 6)Garden Pot 10 x Stone1 x Clay1 x Refined Quartz (Recipe from Evelyn after making Greenhouse)Lightning Rod 5 x Bat Wing1 x Iron Bar1 x Refined Quartz (Recipe by hitting Foraging Level 6)Crystal Floor 1 x Refined Quartz (Recipe is purchased from Krobus for 500g)Crystal Path1 x Refined Quartz (Recipe is purchased from Carpenter's Shop for 200g)2) TailoringMake a Necklace Sirt by using Refined Quartz in the spool of a Sewing Machine.Refined Quartz can be used as Purple Dye.3) BuildingSlime Hutch10,000g500 x Stone10 x Refined Quartz1 x Iridium BarAs you can see, there is a lot that you can do with Refined Quartz in Stardew Valley so make sure you farm a lot of them.