mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous (glassy) luster, white to colorless with minor iron staining, conchoidal fracture, and hexagonal crystal system when fully formed.
Identified More mineral →
Explore Quartz Pebble in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous (glassy) luster, white to colorless with minor iron staining, conchoidal fracture, and hexagonal crystal system when fully formed.
Formation & geological history
Formed through crystallization in hydrothermal veins or igneous pegmatites, subsequently weathered, transported by water, and rounded into a pebble over millions of years.
Uses & applications
Used in glass manufacturing, electronics, decorative landscaping, and lapidary arts.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, highly resistant to both chemical and mechanical weathering.
Field identification & locations
Easily identified by its high hardness (it scratches glass) and lack of cleavage. Commonly found in riverbeds, beaches, and glacial outwash across all continents.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Limonite / Goethite (Iron Ore Mineral nodule)
FeO(OH)·nH2O / FeO(OH)
mineral
Schist
Schist
Metamorphic
Septarian Pebble
Septarian nodule / Concretion
sedimentary
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral