Q. Is pyrite stone valuable?

Answer

Tumbled pyrite typically costs between $5 and $10. However, for famous sites or pyritized ammonites, it can reach several hundred. However, for famous sites or pyritized ammonites, it can go up to the hundreds. Since pyrite is always opaque in crystal form, the key criteria in determining its value are the crystal's habit and its size. Since it is a member of the sulfide’s mineral family, pyrite is very different from the more frequent phosphates and sulfates. Attractive silicates, carbonates, phosphates, and oxides are the most often collected minerals. Regardless of age, pyrite retains its opaque quality and a dazzling metallic sheen. The mineral pyrite (FeS2) is the most prevalent iron sulfide.