mineral

White quartz pebble

Quartz (silicon dioxide, SiO₂)

AI-generated identification · may be incorrect

Typically hardness 7 Mohs, white to translucent, vitreous to waxy luster, and no cleavage; the rounded shape indicates water-worn or tumbled material. It has a hexagonal crystal structure, though individual crystals are not visible.

Identified August 8, 2026More mineral →

Explore White quartz pebble in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Quartz forms in igneous, metamorphic, and sedimentary settings through crystallization from silica-rich melts or fluids, and survives erosion as durable pebbles. Its geological age cannot be determined from the photograph.

Uses & applications

Common quartz is used in glass, ceramics, abrasives, engineered stone, and electronics; attractive pieces are sold as inexpensive specimens or décor.

Geological facts

The white color commonly results from microscopic fluid inclusions, fractures, or intergrown grains that scatter light. Quartz is one of Earth’s most abundant and chemically resistant minerals.

Field identification & locations

Identify it by its glassy/waxy appearance, lack of cleavage, and ability to scratch ordinary glass; a steel nail should not scratch it. Common sources include river gravels, quartz veins, beaches, and quartz-rich sandstone terrains.