International Gemological Institute - IGI and Gemological Appraisals Laboratory of America - GAL. 20.39 x 10.09 x 6.61 mm. A Paraiba Tourmaline is about 30,000 times rarer than a diamond and found only in three isolated locations worldwide.
Featuring all physical properties of tourmaline, including constant electric charge, far infra red rays emission, matter purification, negative ion emission this most rare variety's electric color is caused by tiny inclusions of copper, manganese and gold! The rarity of the material makes it a great investment as well. This is a greatly pleochroic gemstone, absorbing different wavelengths of light differently depending on the direction of incidence of the rays or their plane of polarization, often resulting in the appearance of different colors according to the direction of view. The stone may appear different color based on the angle, type of light and intensity.
Paraiba Tourmaline does not darken in low light settings which is unique property of this variety. Unretouched photos taken in indirect natural daylight, indoors. Please note stone may appear slightly different in person as camera lens slightly changes color/hue also depending on your display and settings. This gorgeous gemstone has native microscopic copper needle inclusions which is an unique characteristic and adds to its character. GIA type III Gemstone: Paraiba Tourmaline is almost always included thus clarity does not affect the grade and price as significantly as with type I or II (diamond, tanzanite etc).
Graded Moderately Included Unretouched photos taken in indirect natural daylight, indoors. This is a gorgeous, one-of-a-kind gemstone! The item "7.48 CT CERTIFIED NATURAL NEON BLUISH GREEN COPPER BEARING PARAIBA TOURMALINE" is in sale since Tuesday, January 30, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Tourmaline".
nyc" and is located in New York, New York. This item can be shipped worldwide.