👉 Weisbachite is a mineral that is often referred to as a "sulphate of iron" or "iron sulphate". It is a type of quartz that exhibits a specific chemical reaction between iron and sulfur. When iron reacts with sulfur, it forms hydrated iron sulfide, which then precipitates out as a white solid, known as weisbachite. Weisbachite is also known for its unique appearance in the form of small crystals or clusters, often found in ore