Tourmaline Cabochon 6.90 ct | 11 mm Round | Mint Green | Minas Gerais, Brazil

SKU: TOS262 Category: Tag:

Natural Mint Green Tourmaline Cabochon (6.90 ct) from Minas Gerais, Brazil, cut as an elegant 11 mm round cabochon with fresh color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.

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Description

This 6.90 ct Tourmaline Cabochon from Minas Gerais, Brazil combines a classic 11 mm round shape with an attractive mint green color. Its balanced proportions, softly polished surface, and lively natural character give the stone a refined yet fresh presence, making it an appealing choice for fine jewelry as well as for collectors who appreciate distinctive cabochon tourmalines.

Mint green tourmaline is admired for its bright, fresh, and elegant appearance. The color offers a refined balance of liveliness and softness, creating a gemstone that feels both modern and timeless. In cabochon form, this mint green tone often appears especially smooth and even, while the domed polished surface creates a gentle glow rather than the sharper reflections of a faceted gemstone.

The round cabochon cut enhances the stone’s timeless and highly versatile appeal. Round stones are especially valued for their symmetry and balanced appearance, making them well suited for rings, pendants, and other bespoke jewelry designs where color, shape, and a softer optical effect should remain the main focus. With an 11 mm diameter, the gemstone offers very good presence while remaining highly wearable.

At 6.90 ct, this tourmaline combines noticeable visual impact with strong practicality for elegant jewelry creations. Originating from Minas Gerais, Brazil, one of the world’s most important gemstone regions, it brings together attractive provenance, refined cabochon cutting, and a beautiful mint green color.

A beautiful round tourmaline cabochon from Brazil with fresh mint green color, smooth luster, and excellent potential for elegant custom jewelry or a carefully selected gemstone collection.

Additional Information

Certification Options

Every gemstone purchased from Gem Fountain includes a free Gem Fountain Gemstone Report, provided as a PDF file, documenting the key characteristics and authenticity of the stone.

For customers who require independent laboratory verification, we offer the option to add third-party gemstone reports. Upon selection, the gemstone will be submitted to the chosen accredited gemological laboratory. Estimated fees and processing times are as follows:

  • BGL – Brief Report: USD 19
    Processing time: approximately 1–2 business days
  • AIG – Brief Report: USD 38
    Processing time: approximately 7–8 business days
  • LOTUS – Soft Cover Report: USD 128
    Processing time: approximately 7–8 business days

All external reports are optional and can be selected as an add-on prior to shipment. Processing times may vary slightly depending on laboratory workload.

Shipping & Payment

All gemstones are shipped directly from Thailand, one of the world’s leading gemstone trading hubs. We deliver to almost all countries worldwide, using reliable and insured shipping partners to ensure safe and secure delivery. Each order is carefully packaged, and tracking details are provided once the shipment has been dispatched. Delivery times may vary depending on destination and local customs procedures. Any applicable duties, taxes, or import fees are the responsibility of the recipient.

We offer flexible payment options to accommodate our international clientele. Most common payment methods are accepted at checkout. Customers who choose to pay via wire transfer (Wise) receive a 5% discount, which can be selected directly during the checkout process.

Specification

Overview
Total Carat6.90 ct / 1 pcs
Region / MineMinas Gerais
Country of OriginBrazil
Saturation / ToneMedium
ShadeMint
ColorGreen
TransperencyTransparent
Stone TypeType l
ClarityMI
Dimensions 1 (L/W/H)11.10 x 11.10 x7.50 mm
Untreated

No indication of artificial enhancement.

Read more about common gemstone treatments →
Refractive Index nω = 1.633–1.651 & nε = 1.615–1.630
Birefringence 0.018 – 0.021
Hardness (Mohs) 7.0 - 7.5
Gravity 3.00 - 3.10
Crystal System Trigonal
Chemical Formular Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg