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.

镉主要以象存在于闪锌中,少量镉以镉等独立物形式存在于氧化带，是风化淋滤过程中形成镉次生物。