Birefringence: Like all tourmalines, Paraiba Tourmaline is birefringent, indicating it splits mild into two rays because it passes throughout the crystal, leading to double refraction. This optical phenomenon can produce additional facets of shade and brilliance inside the gemstone.
When obtaining Paraiba tourmaline, it is important to think about the high-quality factors often called the four C’s – coloration, clarity, cut, and carat weight. Good care needs to be taken to keep up The great thing about these treasured crystals.
To provide out far more beauty from these stones, they tend to be arranged together with other valuable gems like diamonds, emeralds as well as differing types of tourmaline crystals for an extra deluxe touch.
It reveals exceptional transparency and superior refractive index, permitting mild to pass through and develop a stunning Display screen of brilliance.
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Dependant upon the copper content material while in the precious stone, the resultant coloration in the gemstone can also be blue-inexperienced. Needless to say, the vivid, unique blue in the Paraiba tourmaline quickly sets it in addition to the rest of the associates in not merely the tourmaline spouse and children but among a host of other gemstones at the same time.
Pegmatites are fashioned throughout the late phases of magma crystallization and they are known for their substantial crystals and superior focus of rare components.
When identifying a paraiba tourmaline stone, you’ll want to look for environmentally friendly hues in the faceted gemstone; these eco-friendly flashes, often observed within a lighter, blue system, are evidence from the gemstone’s copper content.
Neon blue Paraiba tourmaline may be the most precious shade, although predominantly eco-friendly stones are less precious. Paraibas generally have medium tone and large click here saturation.
^ a b c d Identify in existence ahead of the IMA commission existed ^ Named 'ferridravite' in 1979; renamed to povondraite by the IMA while in the nineties
While in the gem current market, Brazilian Paraíba tourmalines are typically much more hugely valued than their African counterparts. Though leading-top quality Brazilian Paraíba tourmalines have a tendency to own additional intense color, there is significant overlap in the color selection for all localities.
Paraíba is a range of elbaite tourmaline with copper written content. The identify emanates from the Brazilian point out of Paraíba, the first resource. Subsequent discoveries of comparable stones in Nigeria and Mozambique prompted some controversy over using this identify.
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It presents the gemstone a very intriguing look and causes it to be very easily distinguishable from all other gemstones. This happens as a result of existence of copper while in the stone.