mineral
Yellow Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellow to golden color, vitreous luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, yellow to golden color, vitreous luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
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 gemstone jewelry, decorative carvings, and metaphysical collections.
Geological facts
The yellow color is typically caused by natural irradiation or sub-microscopic inclusions of iron oxide minerals within the quartz matrix.
Field identification & locations
Identified by its high hardness, conchoidal fracture, and lack of reaction to acid; commonly found worldwide in river gravels and quartz veins.
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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
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous