Rare Bicolor Natural Tourmaline Ring Loose Gemstones 3.70 Ct Emerald Cut-Jewelry

Rare Bicolor Natural Tourmaline Loose Gemstone for Ring, Necklace Pendant, Bracelet or any other Jewelry Setting-Step Emerald Cut!! 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 6.95 Cara...

Rare Bicolor Natural Tourmaline Loose Gemstone for Ring, Necklace Pendant, Bracelet or any other Jewelry Setting-Step Emerald Cut!! 💎 GEMSTONE TYPE: Tourmaline ⚖️ WEIGHT: 12.65 Car...

Loose Tourmaline Weight: 6.10 Carats Dimension: 13.1x8.2x6.4 Mm Origin: Afghanistan Shape: Emerald Color: Light Green Treatment: Non Certificate: On Customer Demand Tourmaline is a fascinating and versatile gemstone renowned for its vibrant array of colors, making it one of the most diverse gem species in the world. Its name originates from the Sinhalese word "turmali," which means "mixed colors," highlighting the gem's characteristic feature of displaying a multitude of hues within a single crystal. The spectrum of tourmaline colors spans from vivid reds, pinks, and oranges to vibrant greens, blues, and yellows, with some specimens exhibiting multiple colors in a single crystal, known as bicolor or multicolored tourmaline. This gem's exceptional range of colors arises due to variations in its chemical composition, trace elements, and geological conditions during its formation. Brazil, Afghanistan, Nigeria, Mozambique, and the United States are among the key sources of tourmaline. Each locality produces unique color variations, with Brazil being known for its vivid green and blue tourmalines, while Afghanistan yields fine pink and red specimens. One of the most admired varieties of tourmaline is the Paraíba tourmaline, prized for its breathtaking neon blue to green hues. Discovered in the Brazilian state of Paraíba in the late 1980s, this type of tourmaline captivated the gemstone world with its electrifying colors, caused by trace amounts of copper. The durability and versatility of tourmaline make it a favored choice among jewelry designers. With a hardness of 7 to 7.5 on the Mohs scale, tourmaline is suitable for various jewelry styles, from faceted gemstones in rings...

Loose Tri Colour Tourmaline Weight: 1.90 Carats Dimension: 8 x 6.1 x 4.4 Mm Colour: Pink, Gray And Black Origin: Afghanistan Certificate: On Demand Treatment: Non Clarity : moderat...