How to Polish Quartz Crystals: 12 Steps (with Pictures), · barite. Crystals may be stained with lime carbonates, calcite, and barite, causing discoloration. You can use vinegar and a cleaner to remove these stains. Submerge the crystals in enough full-strength vinegar to cover all the crystals. Leave ...Barite Processing, · Baryte or barite (UK: / ˈ b ær ʌ ɪ t /, / ˈ b ɛər aɪ t / ) is a mineral consisting of barium sulfate (Ba S O 4). Baryte is generally white or colorless, and is the main source of barium.The baryte group consists of baryte, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate). ...Copper Production: How Is Copper Made?, · Copper processing is a complex process that involves many steps as the manufacturer processes the ore from its raw, mined state into a purified form for use in many industries. Copper is typically extracted from oxide and sulfide ores that contain between 0.5 and 2.0% copper.