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

Natural Tourmaline Loose gemstone Gemstone Color: green Gemstone Type: Tourmaline Gemstone size: 10.70x10.48x8.58 mm Cut Grade: Excellent Clarity/Grade: Loope clean Gemstone Shape: ...

Natural Tourmaline Loose gemstone Bluish-Green color, Certificate, Origin Nigeria! Gemstone Color: Bluish-Green Gemstone Type: Tourmaline Gemstone size: 10.13x8.537.12 mm. Cut Grade...

Natural Tourmaline from Nigeria loose gemstone certificate Assay Office of Latvia Gemstone Color: Pink Gemstone Type: Tourmaline Gemstone size: 8.25x8.37x5.76 mm Cut Grade: Excellen...

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 Green Tourmaline Pieces Weight: 3.00 Carats Dimension: 6.2 x 6.9 x 5.1 Mm And 6 x 6 x 4.3 Mm Colour:Green Origin: Afghanistan Certificate: On Demand Treatment: Non Tourmaline...

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...

Loose Tourmaline Weight: 6.35 Carats Dimension: 10.03x9.72x7.73 Mm Origin: Kunar Afghanistan Shape: Cushion Treatment : Non Tourmaline is a captivating gemstone known for its rema...

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...