
mineral
Blue Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity around 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity around 2.65.
Formation & geological history
Forms in hydrothermal veins and pegmatites, often colored blue by microscopic inclusions of dumortierite or riebeckite.
Uses & applications
Used in metaphysical collections, tumbled stones, jewelry, and decorative carvings.
Geological facts
Blue quartz is sometimes called 'dumortierite quartz' when inclusions of that mineral cause the blue coloration.
Field identification & locations
Identified by its hard, scratch-resistant surface and vibrant blue hue, commonly sourced from Brazil, India, and the USA.