How do we extract gold from the pyrite, how can we extract it what is the best way to extract it?

How do we extract gold from the pyrite, how can we extract it what is the best way to extract it?

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And if it has gold, how can we extract it, or what is the best way to extract it?

Pyrite ore is a kind of vital mineral mine which mainly used for manufacturing sulfuric acid. Pyrite occurs in numerous shapes and habits. Concentrating equipment are mainly used in the process of Pyrite ore, concentrating table, and spiral classifier, etc.
There are two main separating solution for Pyrite, gravity separation and flotation separation. Gravity separation is most commonly used.
How to recover gold from Rock Without using any liquid acids.
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