Natural 3.98., Tourmaline Loose gemstone, from Nigeria, Cushion, Certificate.

Natural Loose Gemstone Tourmaline From Afghanistan Gemstone Color: Green Gemstone Type: Tourmaline Gemstone size: 9.35x9.25x6.46 mm Cut Grade: Very Good Clarity/Grade: Eye Clean Gem...

Natural Tourmaline gemstone Loose Gemstone, Excellent Cutting. Origin Nigeria! Certification possible with buyer request Gemstone Color: slightly bluish-GREEN Gemstone Type: Tourmal...

Faceted Green Tourmaline Weight: 2.95 Carat Dimension: 7.7 x 7.1 x 6.7 Mm Colour: Green Treatment: Non Certificate: On Customer Demand Shape: Cushion Tourmaline is a captivating g...

Loose Tourmaline Weight: 2.85 Carats Dimension: 9.3x6.6x5 Mm Origin: Kunar Afghanistan Shape: Cushion Color: Green Lagoon treatment: Non Lagoon tourmaline, a stunning variety of the mineral tourmaline, derives its name from its striking blue-green color reminiscent of the tranquil waters of a lagoon. This gemstone is highly prized in the world of jewelry due to its captivating hue and exceptional brilliance. The lagoon tourmaline's coloration can range from pale aqua to deep teal, often displaying a mesmerizing gradient within a single gem. This variety's vibrant color is the result of the presence of trace elements like copper and manganese, which interact with the crystal's structure to produce these striking shades. Lagoon tourmalines are typically sourced from various locations around the world, including Brazil, Mozambique, and Afghanistan. The Brazilian variety, known for its intense blue-green color, is particularly sought after. These gemstones are generally found in pegmatite rocks and are typically cut into various shapes for use in jewelry, from classic faceted...