mineral
Yellow Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellow to golden-brown color, vitreous luster, trigonal crystal system, conchoidal fracture, no true cleavage, specific gravity of 2.65
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Physical properties
Hardness of 7 on the Mohs scale, yellow to golden-brown color, vitreous luster, trigonal crystal system, conchoidal fracture, no true cleavage, specific gravity of 2.65
Formation & geological history
Forms in hydrothermal veins, pegmatites, and sedimentary environments through the precipitation of silica-rich solutions over millions of years
Uses & applications
Used in jewelry, decorative carvings, metaphysical collections, and lapidary arts
Geological facts
Quartz is one of the most abundant minerals on Earth's continental crust and exhibits piezoelectric properties, meaning it can generate an electrical charge under mechanical stress
Field identification & locations
Easily identified by its hardness (scratches glass), lack of cleavage, and conchoidal fracture; commonly found in river gravels, pegmatites, and quartz veins worldwide
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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