Natural Tourmaline Lagoon Loose gemstone 4.60 Ct. Cushion cut, Afghanistan

Natural Lagoon Tourmaline Loose Gemstone 6.12 ct. Cushion cut, Origin Afghanistan, Certificate GFCO Natural Lagoon Tourmaline Loose Gemstone Certificate GFCO Gemstone Color: Bluish-...

Natural 6.65Ct Tourmaline Loose gemstone From Afghanistan! GFCO certified Gemstone Color: Green Gemstone Type: Tourmaline Gemstone size: 11.37x9.15x7.97mm Cut Grade: Very Good Gems...

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...

Gemstone Type : Tourmaline Weight : 3.70 Carats Dimensions : 11.5x6.5x5.6 Mm Origin : Kunar Afghanistan Clarity : SI Shape: Emerald Color: Lagoon Green Certificate: On Demand Basical...