mineral
Clear quartz beads (likely rock crystal)
Quartz, silicon dioxide (SiO₂)
AI-generated identification · may be incorrectColorless to pale yellow, transparent, vitreous luster; Mohs hardness 7, trigonal crystal structure, no cleavage, specific gravity about 2.65. The rounded, faceted pieces appear bead-cut and may be natural quartz or glass imitation; the image alone cannot confirm material.
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Physical properties
Colorless to pale yellow, transparent, vitreous luster; Mohs hardness 7, trigonal crystal structure, no cleavage, specific gravity about 2.65. The rounded, faceted pieces appear bead-cut and may be natural quartz or glass imitation; the image alone cannot confirm material.
Formation & geological history
Natural quartz crystallizes from silica-rich fluids in veins and pegmatites over varied geological timescales. These beads have been shaped and polished from raw material.
Uses & applications
Used in jewelry, ornaments, and mineral collections; quartz also has major industrial uses in glassmaking and electronics.
Geological facts
Quartz is one of Earth’s most abundant minerals and resists scratching by ordinary steel.
Field identification & locations
Genuine quartz is hard, cool to the touch, and commonly shows internal inclusions or growth features; beads are often sourced from Brazil, Madagascar, and elsewhere. Confirm with hardness, magnification, or gem testing.
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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