mineral
Lemon Quartz
Silicon dioxide (SiO2) with iron inclusions
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent yellow to greenish-yellow color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent yellow to greenish-yellow color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Formed hydrothermally in cavities and veins within igneous and metamorphic rocks, often created artificially by heating and irradiating amethyst or clear quartz.
Uses & applications
Widely used in fine jewelry, wire-wrapped crystal accessories, and as a polished collector gemstone.
Geological facts
Natural lemon quartz is extremely rare, so most commercial specimens are produced via heat treatment of pale green quartz or low-grade amethyst.
Field identification & locations
Identified by its bright yellow hue, high scratch resistance, and glassy luster. Commonly sourced from Brazil, Madagascar, and the US.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
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
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
mineral