mineral
Iron-stained Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and white to yellowish-brown coloration due to iron oxide impurities.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and white to yellowish-brown coloration due to iron oxide impurities.
Formation & geological history
Formed via hydrothermal veins and low-temperature precipitation in cavities, often enriched with iron over millions of years.
Uses & applications
Used in mineral collections, ornamental carvings, and gemstone production.
Geological facts
The yellowish or brownish discoloration is caused by surface staining from limonite or goethite.
Field identification & locations
Identify by its hardness (scratches glass) and distinctive rusty staining; found worldwide.
