Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Gold won’t dissolve in acid wheras pyrite will. That ‘separates’ them – but not too useful if its not the gold you want or you want both. If telling them apart is what you want then their density is different, their structure is different (crystalline mineral – pyrite) and their hardness is different.
