mineral
Pyrite in Quartz
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6 to 6.5 for pyrite and 7 for quartz. Metallic golden luster with brassy yellow color for pyrite and vitreous luster for quartz. Isometric crystal system with cubic habits.
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Physical properties
Hardness of 6 to 6.5 for pyrite and 7 for quartz. Metallic golden luster with brassy yellow color for pyrite and vitreous luster for quartz. Isometric crystal system with cubic habits.
Formation & geological history
Formed in hydrothermal veins and sedimentary deposits through low-temperature precipitation from iron- and sulfur-rich solutions.
Uses & applications
Used for mineral specimen collecting, jewelry, and historically as a source of sulfur for sulfuric acid production.
Geological facts
Commonly known as fool's gold due to its metallic luster and pale brass-yellow hue resembling actual gold.
Field identification & locations
Identify in the field by its brassy metallic flash, high hardness scratching glass, and dark green-black streak.
