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.
镉主要以类质同象存在于闪锌,
镉以硫镉
等独
物形式存在于
氧化带,是风化淋滤过程
形成
镉
次生
物。