mineral
Quartz Chip
Silicon Dioxide (SiO2)
Hardness: 7 (Mohs scale), Color: White/Translucent, Luster: Vitreous to waxy, Crystal Structure: Trigonal/Hexagonal, Cleavage: None (conchoidal fracture), Specific Gravity: 2.65
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Physical properties
Hardness: 7 (Mohs scale), Color: White/Translucent, Luster: Vitreous to waxy, Crystal Structure: Trigonal/Hexagonal, Cleavage: None (conchoidal fracture), Specific Gravity: 2.65
Formation & geological history
Formed through the cooling of magma or hydrothermal activity in veins and geodes. It is one of the most abundant minerals in the Earth's crust across all geological eras.
Uses & applications
Used in glassmaking, electronics (piezoelectric properties), abrasives, and as a common component in construction materials like sand and quartzite.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. Small chips like this are often the result of mechanical weathering or the fragmentation of larger crystals.
Field identification & locations
Identify in the field by its ability to scratch glass and its lack of cleavage (it breaks in irregular, curved 'conchoidal' shards). Common worldwide in nearly every geological environment.
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Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Sandstone with Mineral Veining or Crust
Sedimentary Sandstone (mostly SiO2 with Fe2O3 tinting)
sedimentary
Schist
Schist
Metamorphic
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic