The spectrum of prices is as wide as the color range in this amazing gem type. Tourmaline rough uncut. Tourmaline s colors have many different causes. And the tri colored variety aptly named watermelon tourmaline. It has a nearly opaque dark brown brownish black or black color.
In 1997 researchers determined this rare tourmaline formerly known as ferridravite was not actually the ferric fe 3 analogue of dravite. The most expensive variety of tourmaline the beautiful rare paraiba tourmaline can fetch 10 000 per carat and upwards depending on size and color saturation whilst smaller yellows may only command 50 per carat. It s believed to align mental processes encourage self confidence promote understanding and provide insight into conflicts. Indicolite tourmaline is generally rare but it is the most rare when it is blue. We only come across great paraiba one every few years.
These include chrome tourmaline an extraordinary vivid green material from africa. Rarely it is colorless. Along with being the rarest it is also the most expensive. Tourmaline with colors ranging from blue to pale shades of pink blue or green as well as colorless. Small deposits of tourmaline of similar color to paraiba tourmaline were also recently found in nigeria and mozambique and these are often also called paraiba tourmaline in the gem trade.
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Other valuable forms of tourmaline are chrome tourmaline an intense green tourmaline found in tanzania rubellite the pink to red variety and indicolite the rare blue variety. Colored by chromium and vanadium this rare tourmaline displays a rich intense green that rivals the very finest emerald and tsavorite garnet. The rarest tourmaline is called paraiba. A rare version of tourmaline liddicoatite has triangular cross sections of color. Wonderfully wearable with a colorful brilliance tourmaline is a group of related gemstones whose differences in composition result in a plethora of attractive colors.Among the 100 or so hues of tourmaline are some rare and special varieties that are particularly valuable and sought after by collectors. Tourmaline has a variety of colors. Indicolite is a form of tourmaline that obtains its color from its iron properties. Another valuable tourmaline variety is chrome tourmaline. It can be pink red green brown or blue or a combination of all.
Usually iron rich tourmalines are black to bluish black to deep brown while magnesium rich varieties are brown to yellow and lithium rich tourmalines are almost any color. The easiest way to see if a tourmaline is paraiba is by the neon like blue and green with traces of copper. Chrome tourmaline was first mined in tanzania in the 1960s and is quite a rare material. The neon blue green paraiba tourmaline from brazil with recent finds in africa. Usually iron rich tourmalines are black to bluish black to deep brown while magnesium rich varieties are brown to yellow and lithium rich tourmalines are almost any color.
The neon blue green paraiba tourmaline from brazil with recent finds in africa. Among the 100 or so hues of tourmaline are some rare and special varieties that are particularly valuable and sought after by collectors. Other valuable forms of tourmaline are chrome tourmaline an intense green tourmaline found in tanzania rubellite the pink to red variety and indicolite the rare blue variety. These include chrome tourmaline an extraordinary vivid green material from africa. In 1997 researchers determined this rare tourmaline formerly known as ferridravite was not actually the ferric fe 3 analogue of dravite.
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Chrome tourmaline was first mined in tanzania in the 1960s and is quite a rare material. The spectrum of prices is as wide as the color range in this amazing gem type.
