Natural Tourmaline gemstone GFCO Certified 6.54ct , Cushion , Nigeria

Natural Tourmaline Lagoon Loose gemstone from Afghanistan! Certificate GFCO Gemstone Color: Bluish-Green Gemstone Type: Tourmaline Gemstone size: 11.13x8.05x6.14 mm Cut Grade: Very ...

Natural Tourmaline gemstone Certificate GFCO Gemstone Color: slightly bluesh-GREEN Gemstone Type: Tourmaline Gemstone size: 12.43x9.42x7.21mm Cut Grade: Very Good Clarity/Grade: VVS...

Unique Tourmaline from Mozambique top quality, 14.38 carats, GFCO Certified. A unique stone for a unique piece of jewelry!!! Natural Tourmaline gemstone Certificate GFCO Gemstone Co...

Natural Tourmaline loose gemstone 12.24 ct., Cushion cut, Origin Afghanistan, Certificate! Certificate: GFCO Gemstone Color: Vivid Green Gemstone Type: Tourmaline Gemstone size: 14....

Loose Tourmaline Weight: 5.20 Carats Dimension: 12 x 8 x 7 Mm Origin: Afghanistan Shape: Long Cushion Colour: Mint Green Treatment: None Certificate: On Demand . Tourmaline is a ge...

Beautiful Natural Loose Tourmaline Gemstone, available for sale at wholesale price natural high quality 1.25 Carats Loose Tourmaline From Afghanistan....

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...

Loose Bi Colour Tourmaline Weight: 9.20 Carats Dimension: 12.8 x 10.2 x 8.2 Mm Origin: Afghanistan Certificate: On Demand Treatment: Non Clarity: Included Colour: Seafoam And Green...