mineral
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, vitreous to waxy luster, yellow to honey-orange color, trigonal crystal system, no cleavage, conchoidal fracture, specific gravity 2.65
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Physical properties
Mohs hardness of 7, vitreous to waxy luster, yellow to honey-orange color, trigonal crystal system, no cleavage, conchoidal fracture, specific gravity 2.65
Formation & geological history
Formed in igneous or metamorphic rocks through hydrothermal processes or silica-rich fluid precipitation in veins and cavities. This specimen appears water-worn or tumbled.
Uses & applications
Used in jewelry, decorative ornaments, lapidary arts, and by mineral collectors. It is also a popular stone in metaphysical circles.
Geological facts
Natural yellow quartz is rare; much of the citrine on the market is actually heat-treated amethyst. When it has a more opaque, waxy appearance like this specimen, it is often referred to as yellow jasper.
Field identification & locations
Identified by its hardness (can scratch glass), lack of cleavage, and yellow hue. Often found in riverbeds, glacial tills, or near quartz veins.
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Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
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