mineral
Quartz Boulder
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to translucent color with iron staining, vitreous luster, hexagonal crystal system, and no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white to translucent color with iron staining, vitreous luster, hexagonal crystal system, and no cleavage.
Formation & geological history
Forms from cooling magma in hydrothermal veins or through precipitation in sedimentary environments over millions of years.
Uses & applications
Used in glassmaking, electronics, countertops, and as a decorative stone or lapidary specimen.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, conchoidal fracture, and resistance to weathering; commonly found in riverbeds and pegmatites worldwide.
