, ▁lead ▁and ▁co pper . ▁One ▁place ▁where ▁met all ic ▁cad m ium ▁can ▁be ▁found ▁is ▁the ▁V ily uy ▁River ▁bas in ▁in ▁Si ber ia . ▁Although ▁mer cur y ▁is ▁an ▁extremely ▁rare ▁element ▁in ▁the ▁Earth ' s ▁cr ust , ▁because ▁it ▁does ▁not ▁bl end ▁ge och em ically ▁with ▁those ▁elements ▁that ▁const itute ▁the ▁majority ▁of ▁the ▁cr ust al ▁mass , ▁mer cur y ▁or es ▁can ▁be ▁highly ▁concentr ated ▁considering ▁the ▁element ' s ▁abund ance ▁in ▁ordinary ▁rock . ▁The ▁rich est ▁mer cur y ▁or es ▁contain ▁up ▁to ▁ 2 . 5 % ▁mer cur y ▁by ▁mass , ▁and ▁even ▁the ▁lean est ▁concentr ated ▁depos its ▁are ▁at ▁least ▁ 0 . 1 % ▁mer cur y ▁( 1 2 , 0 0 0 ▁times ▁average ▁cr ust al ▁abund ance ). ▁It ▁is ▁found ▁either ▁as ▁a ▁native ▁metal ▁( rare ) ▁or ▁in ▁c inn ab ar ▁( H g S ), ▁cord ero ite , ▁living ston ite ▁and ▁other ▁min er als , ▁with ▁c inn ab ar ▁being ▁the ▁most ▁common ▁ore . ▁ ▁While ▁mer cur y ▁and ▁z inc ▁min er als ▁are ▁found ▁in ▁large ▁enough ▁quantities ▁to ▁be ▁m ined , ▁cad m ium ▁is ▁too ▁similar ▁to ▁z inc ▁and ▁therefore ▁is ▁always ▁present ▁in ▁small ▁quantities ▁in ▁z inc ▁or es ▁from ▁where ▁it ▁is ▁recovered . ▁Ident ified ▁world ▁z inc ▁resources