Production. Mercury. Mercury collected from the hoeing tables of a New Idria, California extraction plant of the New Idria… https://www.rawpixel.com/image/12302846/image-plant-hand-personFree Image from public domain licenseGold prospector cooking mercury with dirty flour gold. The flour gold which is in small, almost powder flakes, will attach… https://www.rawpixel.com/image/12170988/image-person-art-vintageFree Image from public domain license