mineral
Quartz in Host Rock
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, colorless to translucent, conchoidal fracture, hexagonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, colorless to translucent, conchoidal fracture, hexagonal crystal system.
Formation & geological history
Formed in hydrothermal veins and pegmatites through the cooling of silica-rich solutions over millions of years.
Uses & applications
Used in electronics, watchmaking, glass manufacturing, and as a popular mineral specimen for collectors.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties, meaning it can generate an electric charge under mechanical stress.
Field identification & locations
Easily identified by its high hardness (scratches glass) and hexagonal crystal habit. Found worldwide in nearly all geological environments.
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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
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
Septarian Pebble
Septarian nodule / Concretion
sedimentary