Tourmaline 7.91 ct | Pear Shape Cabochon | Bluish Green | Minas Gerais, Brazil

SKU: TOS304 Category: Tag: Est. Retail Value: USD $430

Natural Bluish Green Tourmaline (7.91 ct) from Minas Gerais, Brazil, cut as an elegant pear shape cabochon with vivid color and a smooth luminous surface. A distinctive gemstone for a statement ring, pendant, or a fine collection of exceptional cabochon tourmalines.

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Description

This 7.91 ct Tourmaline from Minas Gerais, Brazil combines an elegant pear shape cabochon cut with an attractive bluish green color. Its generous size, refined outline, and softly glowing surface give the stone a distinctive presence that makes it especially appealing for bespoke jewelry and for collectors who appreciate fine cabochon gemstones.

Bluish green tourmaline is admired for its sophisticated balance of cool blue and fresh green tones. This combination gives the gem a lively yet elegant appearance, with a color that feels both vibrant and refined. In cabochon form, the tone often appears especially rich and even, while the polished domed surface creates a smooth, gentle glow rather than the sharper reflections of a faceted cut.

The pear shape adds further elegance to the stone. Its graceful taper and rounded body create a classic silhouette that works beautifully in jewelry design, especially when the gem is meant to remain the clear focal point. As a cabochon, it is particularly well suited for pendants, statement rings, and other custom creations where color, shape, and a softer optical appearance are desired.

At 7.91 ct, this tourmaline has impressive size and strong visual impact while remaining highly wearable in fine jewelry. Originating from Minas Gerais, Brazil, one of the world’s best-known gemstone regions, it combines attractive provenance with elegant cutting and a beautiful bluish green color.

A striking pear shape cabochon tourmaline from Brazil with refined bluish green color, smooth luster, and excellent potential for distinctive jewelry or a fine 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 Carat7.91 ct / 1 pcs
Region / MineMinas Gerais
Country of OriginBrazil
Saturation / TonePastel
ShadeBluish
ColorGreen
TransperencyTransparent
Stone TypeType I
ClarityMI
Dimensions 1 (L/W/H)15.25 x 9.70 x 7.05 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