mineral

Pink-and-white quartz pebble

Quartz, SiO₂, likely milky quartz with iron-stained or rose-colored zones

AI-generated identification · may be incorrect

Hardness 7 Mohs; pale pink, white, and tan-brown coloration; vitreous to dull luster; massive, microcrystalline-looking texture with no obvious cleavage and conchoidal fracture. Specific gravity is about 2.65.

Identified September 5, 2026More mineral →

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Physical properties

Formation & geological history

Likely a naturally rounded stream, beach, or glacial pebble formed by weathering and transport of quartz-rich rock; the pink/brown tones may reflect iron inclusions or alteration. Quartz is common from Precambrian through modern geological settings.

Uses & applications

Used for ornamental stone, lapidary work, décor, and inexpensive collecting; this small rounded specimen has little commercial value.

Geological facts

Quartz is one of Earth’s most abundant and chemically durable minerals. True rose quartz is typically pink from microscopic inclusions, whereas milky quartz owes its opacity to fluid inclusions.

Field identification & locations

Identify it by its glassy appearance, lack of cleavage, rounded abrasion, and resistance to scratching; it should scratch ordinary glass but not be scratched by a steel knife. Common worldwide in quartz veins, granites, pegmatites, and sedimentary gravels.