mineral
Quartz with Iron Staining
Silicon Dioxide with Iron Oxides (SiO2 + Fe2O3)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, grayish-green body with bright orange-yellow iron oxide patches, vitreous luster, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, grayish-green body with bright orange-yellow iron oxide patches, vitreous luster, and conchoidal fracture.
Formation & geological history
Formed via hydrothermal vein deposition where silica-rich fluids crystallized, later subjected to weathering and iron-rich groundwater staining.
Uses & applications
Utilized primarily as mineral specimens for rock and crystal collectors.
Geological facts
Iron oxide staining like limonite or goethite commonly coats fractures and cavities in quartz, creating vivid natural coloration.
Field identification & locations
Identify by its hard crystalline matrix, lack of cleavage, and distinct localized yellow-orange surface oxidation; found worldwide in quartz-bearing veins.
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