mineral
Clear quartz crystal (likely)
Quartz, silicon dioxide (SiO₂)
AI-generated identification · may be incorrectColorless to pale honey, glassy luster, translucent, with irregular fracture and no obvious cleavage; Mohs hardness 7. The image suggests a rough, fractured crystal, but identification from appearance alone is uncertain.
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Physical properties
Colorless to pale honey, glassy luster, translucent, with irregular fracture and no obvious cleavage; Mohs hardness 7. The image suggests a rough, fractured crystal, but identification from appearance alone is uncertain.
Formation & geological history
Quartz crystallizes from silica-rich fluids in veins and cavities, or from cooling magma; it occurs in rocks of many geological ages.
Uses & applications
Quartz is used in glassmaking, electronics, construction aggregate, and ornamental specimens; clear crystals are collected and sometimes cut for jewelry.
Geological facts
Quartz is one of Earth’s most abundant minerals and forms hexagonal crystals, though broken pieces may not show that shape.
Field identification & locations
Look for hardness sufficient to scratch glass, lack of cleavage, and a glassy fracture surface. Common worldwide in veins, pegmatites, and geodes.
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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