There are some independent minerals of Cd, which are secondary minerals formed during weathering and leaching, such as greenockite, otavite and oxides of Cd in the oxidized zone of the deposit.

镉主质同象存在于闪锌矿中,少量镉镉矿等独立矿物形式存在于矿床带，是风淋滤过程中形成镉次生矿物。