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A paraiba tourmaline and diamond ring, in platinum. The neon Paraíba tourmaline has also been found in the neighboring state of Rio Grande do Norte. In the early 2000s, tourmaline gems containing copper and bearing similar colors were found in Nigeria and Mozambique. [63] Initially, the nomenclature for this tourmaline was "Paraíba tourmaline".
The new type of tourmaline, which soon became known as paraiba tourmaline, came in blue and green. Brazilian paraiba tourmaline usually contains abundant inclusions. Much of the paraiba tourmaline from Brazil does not actually come from Paraíba, but the neighboring state of Rio Grande do Norte. Material from Rio Grande do Norte is often ...
Experts posit that only one Paraiba tourmaline is mined for every 10,000 diamonds — and while similar hues are found in Madagascar, the scarcity of Brazilian stones has seen prices soar. At ...
Paraiba Tourmaline has become one of the most popular gemstones in recent times thanks to its color and is considered to be one of the important gemstones after rubies, emeralds, and sapphires according to Gübelin Gemlab. Even though it is a tourmaline, Paraiba Tourmaline is one of the most expensive gemstones. [31]
Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...
Calcite. Manganoan calcite (var.); Caledonite; Canasite; Cancrinite. Vishnevite; Carletonite; Carnallite; Cassiterite; Catapleiite; Cavansite; Celestite; Ceruleite ...
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