mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or translucent color with gray streaks, vitreous luster, trigonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, white or translucent color with gray streaks, vitreous luster, trigonal crystal system, conchoidal fracture.
Formation & geological history
Formed via crystallization in igneous, metamorphic, and sedimentary environments, often weathered and water-worn into smooth pebbles over long geological timescales.
Uses & applications
Used in landscaping, abrasive grit, glassmaking, electronics, and occasionally as a polished gemstone or decorative stone.
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 (scratches glass), lack of cleavage, and resistance to acid. Found globally in rivers, beaches, and soil.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous