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Quartz
Quartz is valued for its colorless and many colors appearance and distinctive natural character. Quality and value depend on color, clarity, cut, size, origin, treatment, and documentation.
- Mineral family
- Quartz
- Chemistry
- SiO2
- Mohs hardness
- 7
- Colors
- Colorless and many colors
- Common origins
- Worldwide
- Wearability
- Generally suitable for jewelry with care.
Treatments and synthetics
Treatments vary by quartz variety.
Care guidance
Use mild soap, lukewarm water, and a soft cloth. Confirm before ultrasonic or steam cleaning.
Buyer checklist
Confirm classification, treatment, dimensions, weight, origin claims, return terms, and any laboratory report before purchase.