The density of pyrite, also known as fool’s gold, typically ranges from 4.8 to 5.2 grams per cubic centimeter (g/cm³).
This relatively high density is due to its iron and sulfur composition, which contributes to its weight. Pyrite is an iron sulfide mineral with the chemical formula FeS2. Its crystalline structure and metallic luster give it a distinctive appearance, often mistaken for gold.
In practical terms, this density means that pyrite is significantly denser than common materials like quartz, which has a density of about 2.65 g/cm³. If you’re handling pyrite or using it in mineral collections, its heaviness is one of the key features that can help distinguish it from other minerals.