Rock Identifier
Quartz Arrowhead (Silicon Dioxide (SiO2)) — mineral
mineral

Quartz Arrowhead

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, conchoidal fracture, trigonal crystal system.

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Physical properties

Hardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, conchoidal fracture, trigonal crystal system.

Formation & geological history

Formed through human knapping and modification of naturally occurring quartz crystal or vein quartz rocks.

Uses & applications

Historically used as a projectile point for hunting and warfare; valued by artifact collectors and historians.

Geological facts

Quartz arrowheads are common artifacts found globally, as quartz was heavily favored by indigenous peoples for its sharp conchoidal fracture.

Field identification & locations

Identified by deliberate pressure flaking and retouching along the edges to form a symmetrical triangular point; found in agricultural fields, riverbanks, and archaeological sites.