mineral
White quartz bead bracelet (likely milky quartz)
Quartz, silicon dioxide (SiO₂), usually microcrystalline or cloudy crystalline quartz
AI-generated identification · may be incorrectWhite to translucent, vitreous luster, hardness 7 Mohs, no cleavage, conchoidal fracture, hexagonal crystal structure, and specific gravity about 2.65. The uniformly rounded, drilled beads are polished and likely treated or assembled jewelry rather than a natural specimen.
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Physical properties
White to translucent, vitreous luster, hardness 7 Mohs, no cleavage, conchoidal fracture, hexagonal crystal structure, and specific gravity about 2.65. The uniformly rounded, drilled beads are polished and likely treated or assembled jewelry rather than a natural specimen.
Formation & geological history
Quartz forms in igneous, metamorphic, and hydrothermal environments; milky appearance results from microscopic fluid inclusions or fractures. Quartz is abundant and ranges from Precambrian to modern deposits.
Uses & applications
Used for jewelry, carvings, countertops, glass, ceramics, abrasives, and electronics. As a bracelet, value is mainly decorative and depends on bead quality and workmanship.
Geological facts
Quartz is one of Earth’s most abundant minerals and is piezoelectric, producing an electrical charge under pressure.
Field identification & locations
Identify with a glass-scratching test, though testing may damage the polish; quartz should scratch ordinary glass. Common sources include Brazil, Madagascar, India, and the United States.
