mineral
Quartz with Hematite Staining
Silicon Dioxide (SiO2) with iron oxide coating
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity around 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity around 2.65.
Formation & geological history
Formed in hydrothermal veins or cavity fillings where silica-rich fluids crystallized, later exposed to iron-rich oxidizing groundwater.
Uses & applications
Used in mineral collections, ornamental lapidary work, and sometimes as a decorative stone.
Geological facts
The reddish-orange coloration is caused by microscopic hematite or limonite dust adhering to or trapped within the quartz crystals.
Field identification & locations
Identify by its hard crystalline structure, hexagonal points, and distinct rust-colored iron staining. Common globally in pegmatites and weathered veins.
