mineral
Quartz Crystal Cluster on Matrix
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, colorless to smoky white, hexagonal crystal system with distinct prismatic terminations.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, colorless to smoky white, hexagonal crystal system with distinct prismatic terminations.
Formation & geological history
Formed through the precipitation of silica-rich hydrothermal fluids within rock cavities and veins over millions of years.
Uses & applications
Widely utilized in electronics, oscillator manufacturing, precision instruments, and prized globally as a mineral specimen for display.
Geological facts
Quartz is one of the most abundant and structurally diverse minerals found in the Earth's continental crust.
Field identification & locations
Easily identified in the field by its characteristic hexagonal crystal shape, high hardness that scratches glass, and conchoidal fracture.
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Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic