Rock Identifier
Yellow Quartz (Silicon Dioxide (SiO2)) — mineral
mineral

Yellow Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, yellow to golden-brown color, vitreous luster, and conchoidal fracture without cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, yellow to golden-brown color, vitreous luster, and conchoidal fracture without cleavage.

Formation & geological history

Forms in hydrothermal veins and pegmatites through the precipitation of silica-rich solutions over geological timescales.

Uses & applications

Used in jewelry, decorative carvings, and metaphysical collections.

Geological facts

Yellow coloration typically results from natural iron oxide impurities or irradiation within the crystal lattice.

Field identification & locations

Identified by its high hardness, glassy luster, and lack of cleavage; found globally in stream gravels and pegmatite deposits.