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Tourmaline
Tourmaline is valued for its nearly every color appearance and distinctive natural character. Quality and value depend on color, clarity, cut, size, origin, treatment, and documentation.
- Mineral family
- Tourmaline group
- Chemistry
- Complex borosilicate
- Mohs hardness
- 7-7.5
- Colors
- Nearly every color
- Common origins
- Brazil, Africa, Afghanistan
- Wearability
- Generally suitable for jewelry with care.
Treatments and synthetics
Heat and irradiation may alter color.
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.