Tourmaline Pair 69.44 ct | Crystal Slice | Bi-Color | Ibity, Madagascar

SKU: TOP045 Category: Tag:

Natural bi-color Tourmaline Pair (69.44 ct total) from Ibity, Madagascar, cut as exceptional crystal slices with vivid natural zoning and impressive organic presence. A rare large-format pair for statement earrings, bold toi et moi designs, or bespoke jewelry that highlights the unique beauty of natural tourmaline.

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Description

This 69.44 ct Tourmaline Pair from Ibity, Madagascar is a remarkable example of tourmaline in an expressive and highly individual form. Cut as crystal slices, the stones preserve more of the original crystal character and reveal their natural bi-color zoning in a particularly open and fascinating way. Their generous size and organic appearance give the pair a strong visual impact that is very different from conventional faceted gems.

Bi-color tourmalines are especially admired for the way two colors develop within a single crystal, creating natural contrast, depth, and movement. In slice form, these transitions become even more visible, allowing the internal structure, growth features, and natural color distribution to become part of the gemstone’s appeal. This gives the pair a bold, artistic look that suits distinctive custom jewelry and one-of-a-kind design work.

With a substantial total weight of 69.44 ct, this pair offers outstanding potential for high-impact jewelry creations. It is particularly suitable for statement earrings, dramatic toi et moi rings, or other two-stone designs where scale, natural form, and color zoning are central to the final concept. The stones may also be used for imaginative pendant or high-jewelry projects where individuality and natural gemstone character are meant to stand out.

From the well-known gemstone region of Ibity, Madagascar, this pair combines impressive size, sought-after origin, and strong natural aesthetics. A rare bi-color tourmaline pair for bespoke jewelry, creative design concepts, or collectors who appreciate unusual gem material with authentic structure and exceptional presence.

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 Carat69.44 ct / 2 pcs
Region / MineIbity
Country of OriginMadagascar
Saturation / ToneRich
ShadeVarious
ColorBicolor
TransperencyTransparent
Stone TypeType I
ClarityMI
Dimensions 1 (L/W/H)30.33 x 26.58 x 3.50 mm
Dimension 2 (L/W/H)30.31 x 26.56 x 4.10 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