mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white to pinkish color, vitreous luster, conchoidal fracture, and hexagonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, typically white to pinkish color, vitreous luster, conchoidal fracture, and hexagonal crystal system.
Formation & geological history
Formed through crystallization in igneous, metamorphic, and sedimentary environments over geological time scales, often weathered into smooth pebbles by water transport.
Uses & applications
Used in landscaping, decorative items, glass manufacturing, and abrasive applications.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and resistance to chemical weathering; commonly found in riverbeds and beaches worldwide.
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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