
mineral
Pink Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, pale pink to white coloration, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage, and a specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, pale pink to white coloration, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage, and a specific gravity of 2.65.
Formation & geological history
Formed through the crystallization of silica-rich hydrothermal solutions or magmatic pegmatites, later weathered and water-worn into a smooth pebble over millions of years.
Uses & applications
Used in lapidary arts, decorative landscaping, tumbling, and crystal collecting.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties, meaning it generates an electrical charge when compressed.
Field identification & locations
Can be identified in the field by its high hardness (scratches glass), conchoidal fracture, and resistance to chemical weathering. Found worldwide in riverbeds, beaches, and quartz veins.
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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
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous