mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and no cleavage. Colors vary widely from clear to white, grey, or stained with iron oxides.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and no cleavage. Colors vary widely from clear to white, grey, or stained with iron oxides.
Formation & geological history
Forms in a wide variety of geological environments including igneous, metamorphic, and sedimentary rocks through hydrothermal solutions or crystallization from silica-rich melts.
Uses & applications
Used extensively in electronics, glassmaking, abrasives, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is one of the most abundant and widely distributed minerals on Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified easily by its distinct hardness (scratches glass), conchoidal fracture, and lack of cleavage. Found globally in almost every rock type.
