Gemstone guide
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What is Cuprian Tourmaline?
Cuprian Tourmaline is a variety of tourmaline, coloured by trace amounts of copper. A guide to the gem, and to buying one well.
About Cuprian Tourmaline
01- Species
- Tourmaline
- Variety
- Cuprian Tourmaline
- Hardness (Mohs)
- 7-7.5
- Refractive index
- 1.61-1.64
- Colour caused by
- Trace amounts of copper
Cuprian Tourmaline is a gemstone of exceptional allure, renowned for its captivating hues and unique character. This exquisite variety of tourmaline is prized for its vibrant colours, often described as vivid or neon, ranging from lush greens and enchanting blues to elegant pinks and purples. The most sought-after stones originate from Mozambique, Africa, and Nigeria, each region imparting its distinct charm and beauty.
The value of Cuprian Tourmaline is driven by its striking colour saturation, clarity, and the expert craftsmanship of its cut. While many stones are unheated, some undergo gentle heating to enhance their natural brilliance. With prices starting from around $74 per carat, these gems offer a luxurious appeal. Many of our stones are accompanied by a laboratory certificate from esteemed institutions such as GIA or GRS, ensuring their authenticity and quality.
Judging quality
02What drives the value
- Colour intensity
- Clarity
- Craftsmanship
What to watch for when buying
- Overpaying for low-quality stones
- Misunderstanding the impact of heating on value
Inclusions you may see
- Natural inclusions typical of tourmaline
- Color zoning
Origin, treatment and trade names
03Where it comes from
TreatmentAs disclosed for the stones we sell; every listing states its own.
Trade names
Price per carat
04- Typical price
- $141 per carat
- Most stones
- $87–$231 per carat
- Based on
- 186 stones in our stock, updated weekly. Cuprian Tourmaline prices by carat size →
From our stock
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From the journal
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Frequently Asked Questions
07Where do Cuprian Tourmalines come from?
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Cuprian Tourmalines in our collection primarily originate from Mozambique, Africa, and Nigeria, each offering unique qualities and hues.
Are Cuprian Tourmalines treated?
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While many Cuprian Tourmalines remain unheated, some may undergo heating to enhance their natural colour and brilliance.
What determines the value of a Cuprian Tourmaline?
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The value is primarily determined by its vivid colour, clarity, and the quality of the cut, with vibrant hues and high clarity being most desirable.
How do I choose a Cuprian Tourmaline?
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Consider the gemstone's colour saturation, clarity, and cut. Opt for hues that captivate you and ensure the stone has a pleasing brilliance.
Are Cuprian Tourmalines certified?
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Many Cuprian Tourmalines come with a laboratory certificate from GIA or GRS, and certification is available on request for any stone.
Shop
Cuprian Tourmaline
Every stone shows its own price, weight, origin and treatment. Browse our cuprian tourmaline, or contact our team for personal help choosing one.