Discovered in 1989, paraíba tourmalines are among the world’s most prized gemstones. These rare gems are renowned for showing intense blue colors. Neon blue, 5.23-ct, cushion-cut paraíba tourmaline, Mozambique. Photo courtesy of liveauctioneers.com and Jasper52. Start an IGS Membership … See more In 1989, exceptionally brightly colored tourmalines were discovered in the state of Paraíba, Brazil. Researchers determined that these elbaite tourmalines received their intense coloration from copper. (The stones also … See more From the beginning, the gem trade labeled the stones from Paraíba as paraíba tourmalines, after their source. The Rio Grande Do Norte … See more Paraíbas are elbaite tourmalines colored by copper (except, of course, liddicoatite specimens). They have a refractive index (RI) of 1.603 to 1.655 and specific gravity (SG) of 2.84 to 3.10. … See more In 1999, before the Nigerian discoveries, the World Jewellery Confederation(CIBJO) modified their rules, allowing "paraíba" as a valid trade name. … See more WebParaiba Tourmaline: A small rough crystal of the famous "Paraiba" tourmaline from the Batalha Mine in the state of Paraiba, Brazil. The spectacular blue color is caused by trace amounts of copper in the …
Paraiba Tourmaline - Read more about this interesting stone
WebFind many great new & used options and get the best deals for Loose Natural Paraiba Tourmaline 6.95 Carat Cushion Mold Certified Gems at the best online prices at eBay! Free shipping for many products! WebReal Paraiba Tourmaline Green Pear Shaped Loose Stone, 0.62 CT Lab Certified Brazilian Paraiba Tourmaline, Rare Gemstones, Paraiba Jewelry. ArtisanSilverJewel. … tradingview tmci
Paraíba Tourmaline Value, Price, and Jewelry Information
WebThe tourmaline family is composed of a large number of individual minerals, making their chemical composition highly complex. The trace elements found in Paraiba tourmalines, … WebParaiba Tourmaline is a leading purveyor of the rare and hard to find Paraiba gemstone. This is one of the only places where this precious stone can be readily obtained by … WebParaiba tourmaline has risen in price and popularity faster than any other gemstone in history. Entering the market in 1989 at $500 per carat, Paraiba tourmaline rose in price … the salvation army hospitality house tucson