Doug Menadue :: Bespoke Gems - Precision Hand Faceted Gemstones Of The Highest Quality

Tourmaline

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Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
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Stone : Pink Tourmaline
Cut By : Doug Menadue 2017
Item : #1040
Design : Antique SG1
Origin : Afghanistan
Treatments : None
Weight : 6.30 Carats
Clarity : Eye Clean
Size : 11.02x11.02x8.80mm
Price : PRICE ON REQUEST

Comments : If you have been looking for an exceptional Afghani pink tourmaline then look no further, this is the one! Pink tourmaline from Afghanistan is considered to be among the finest pink tourmaline in the world and this beauty is certainly up there with the best.

The design is one that I poured over and finetuned specifically for this stone. I spent quite a bit of time tweaking the angles to get it just right and to bring out the best in the stone, the colour and the brilliance and I am very very happy with the results. The design is an amalgam of the Antique Round and the SG1. I love the pavilion on the Antique Round and I the same for the high crown on the SG1. So I merged the two to bring the best elements of both together just for this stone. This is a very fine pink tourmaline and I know that you will be very happy with it. And again, don't judge this stone by the pics because in the hand it will take your breath away.

Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia
Pink Tourmaline, Antique SG1, Afghanistan, 6.30 Carats, 11.02x11.02x8.80mm, #1040, A very fine natural Pink Tourmaline which has been cut in the wonderful Antique SG1 design. Doug Menadue :: Bespoke Gems :: WWW.BESPOKE-GEMS.COM - Finest Precision Custom Gemcutting Based In Sydney Australia

 

An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
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Stone : Rubellite Tourmaline
Cut By : Doug Menadue, 2016
Item : #946
Design : TOR
Origin : Nigeria
Treatments : None
Weight : 28.98 Carats
Clarity : Eye Clean
Size : 20.61x13.74x13.70mm
Pieces : 1
Price : THIS PIECE HAS BEEN SET

Comments : Here is an outstanding rubellite tourmaline from Nigeria. I have cut this beautiful tourmaline in a contemporary design which combines polished and frosted surfaces. This is a very fine tourmaline, eye clean and quite large. When I purchased this piece of tourmaline rough I wanted to do something different with it, there was just something special about the stone.

This exquisite tourmaline has been set by the very talented jewellery designer
Todd Turner. It was shown as the feature piece in The Courtesy Of The Artist's "Rare Earth: Australian Made" show.

I have added some pics of the stunning ring for you to see just how amazing and unique the setting is. This one-of-a-kind ring is available for purchase from The Courtesy Of The Artist.

An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems
An outstanding rubelllite tourmaline that has been cut in a very contemporary design combining polished and frosted surfaces, Precision hand faceted by Doug Menadue :: Bespoke Gems

 

Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
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Stone : Pink Tourmaline
Cut By : Doug Menadue, 2016
Item : #889
Design : Brilliant Royale
Origin : Nigeria
Treatments : None
Weight : 2.02 Carats
Clarity : Eye Clean
Size : 7.85x7.85x5.7mm
Price : PRICE ON REQUEST

Comments : These Nigerian pink tourmalines are fantastic stones. This fine tourmaline is what I would call "hot" pink and is very vivid and intense. This is a really nice gem, I just love pink tourmalines! You can see the original rough stone here. This design is my variation on the Standard Round Brilliant - I decided to do "spilt mains" on the crown facets which gives the gem a few more facets and a bit more sparkle and fire. This beauty is perfect for any jewellery setting you can imagine, especially a ring or a pendant. A first-class hot pink tourmaline from Nigeria, a beautiful stone.

Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Brilliant Royale, Nigeria, #889, 2.02 Carats, 7.85x7.85x5.7mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems

 

Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
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Stone : Pink Tourmaline
Cut By : Doug Menadue, 2016
Item : #888
Design : Antique Round Royale
Origin : Afghanistan
Treatments : None
Weight : 2.67 Carats
Clarity : Eye Clean
Size : 8.00x8.00x6.68mm
Price : PRICE ON REQUEST

Comments : This is an outstanding pink tourmaline from Afghanistan. This is among my most favorite of stones to work with. There is something about the Afghani tourmalines which makes them the among the finest in the world. This beauty is truly superb, the colour is what I would call "candy" pink and is intense! The gem was orientated and cut down the "C" axis which is the way to get the best colour out of a stone. You can see the original tourmaline crystal here. The design I chose is one of my classic designs, the Antique Round with a slight variation on the crown. I decided to do what's called "split mains" which gives some extra facets and sparkles to the gem, this is why I've added the "Royale" suffix to the design name.

Overall, this is a first-class pink tourmaline gemstone and one that I know you will absolutely fall in love with. A very highly recommended gemstone and definitely one for those that love PINK!

Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems
Pink Tourmaline, Antique Round Royale, Afghanistan, #888, 2.67 Carats, 8.00x8.00x6.68mm, Precision Hand Faceted By Doug Menadue :: Bespoke Gems

 

Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
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Stone : Pink Tourmaline
Cut By : Australian Gemcutter, 2016
Item : #160522
Design : Emerald Cut
Origin : Brazil
Treatments : None
Weight : 4.8 Carats
Clarity : Eye Clean
Size : 13.21x7.23x6.09mm
Price : 2400

Comments : This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. It has been precision faceted by an Australian gemcutter and the cut and polish is first class. The design is the classic Emerald Cut and it really shows off the brilliant colour of the gem. You could do anything with this fabulous pink tourmaline, you could set it as a pendant, a ring, anything your imagine can conjure up. A beautiful pink tourmaline that I highly recommend.

Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems
Pink Tourmaline, Emerald Cut, Brazil, #160522, 4.8 Carats, 13.21x7.23x6.09mm, This is a truly outstanding rich pink tourmaline from Brazil. The colour is absolutely amazing and if you like the pics you will love the gem. The stone is exceptional is every regard. Doug Menadue :: Bespoke Gems

 

Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
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Stone : Indicolite Tourmaline
Cut By : Doug Menadue, 2016
Item : #150488
Design : Emerald Cut
Origin : Afghanistan
Treatments : None
Weight : 5.8 Carats
Clarity : Eye Clean
Size : 13.21x8.12x6.56mm
Price : 7750

Comments : This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. I cut this gem in the classic Emerald Cut design which is all about colour! This is a gem that I can see being set in a white metal, especially platinum. It would be be one of the most stunning rings you'll ever see. A very fine blue indicolite tourmaline that embodies all the elements of the gemcutters art.

Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems
Indicolite Tourmaline, Emerald Cut, Afghanistan, #150488, 5.8 Carats, 13.21x8.12x6.56mm, This is one absolutely beautiful Afghan indicolite tourmaline. It is an excellent stone in every regard, the size is good with proportions in the phi ratio, the blue hue is devine and the cut is perfect. Doug Menadue :: Bespoke Gems

 

Tourmaline, Smith Bar Variation, #183

Stone : Tourmaline
Cut By : Doug Menadue, 2010
Item : #183
Design : Smith Bar Variation
Origin : Afghanistan
Treatments : None
Weight : 4.75 carats
Clarity : Slightly Included
Size : 6 x 18.5 x 4.5 mm
Price : 210

Comments : A long tourmaline with deeper green tones. It is cut in an elongated Smith Bar. There are inclusions in this gemstone and they mostly are along the bottom keel of the pavilion and are visible when face up.


SEE THE ORIGINAL ROUGH STONE HERE.

Tourmaline, Smith Bar Variation, #183
Tourmaline, Smith Bar Variation, #183
Tourmaline, Smith Bar Variation, #183
Tourmaline, Smith Bar Variation, #183
Tourmaline, Smith Bar Variation, #183

 

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Information For precious and semi precious gemstones

Stone : Tourmaline
Moh's Hardness : 7 - 7.5
Origin Locations : Minas Gerais, Brazil; Nigeria, Tanzania, Mozambique, Zambia, Namibia, Africa; Madagascar; California, Maine, USA; Elba; Burma; Afghanistan; Pakistan; Mount Painter (Flinders Ranges), Kangaroo Island, Australia
Treatments : None, Heating, Irradiation
Clarity : Eye Clean to Included
Color : Various
Verdelite = Green in all shades
Schorl = Black (often used for mourning jewelry)
Rubellite = Pink to red
Indicolite = Blue in all shades
Paraiba = Caribbean blue, copper bearing tourmaline... very rare!
Dravite = Yellow to Brown
Achroite = Clear to colorless
Cleavage : Indistinct
Chemical Composition : Various
Refractive Index (RI) : 1.614 - 1.666
Density : 2.82 - 3.32
Birthstones : Tourmaline is the birthstone for October.
Tourmaline is the stone for the 8th anniversary

Comments : Tourmaline is a gem that comes in almost every colour imaginable and often in breathtaking combinations. It is thought that the Dutch, importing it from Sri Lanka to Europe in the early 1700's gave it the Sinhalese name, Turamali, meaning "stone with mixed colors". Gems with two or three colors are much sort after, such as blue/greens, mint greens/clear, pink/greens and gold/red. For example, a certain mixture of colours is called watermelon tourmaline where, cut in a cross section, the outer rind appears green whilst the inside is pink. Pinks (intense hot pink and light bubblegum pink), reds and blues are the most desired colors. Some tourmaline gems are treated in order to improve their colour.

In the last 20 years tourmaline has gained great popularity among gem collectors and the gem buying public because of its beauty, availablity and myriad colors. It cuts a stunning gem and suits almost all design styles. Fine examples of tourmaline can be obtained in relatively large sizes though 2 - 10 carats is a popular size range. Tourmaline often has inclusions and eye clean gems are the most desirable. Tourmaline forms as beautiful long crystals and are a great favorite among mineral specimen collectors. This stone can also be found in alluvial deposits as water worn nodules.

A curious property of tourmaline is that when heated and cooled, or by applied pressure, it will become electrically charged (pyro and piezo electricty). The charged stone can attract pieces of paper and dust. It was also used to pull ash out of meerschaum pipes by the Dutch who understood this property of tourmaline. They called tourmaline "aschentrekker" (ash puller).

One thing that can affect the colour and arguably the "quality" and price of a tourmaline gem is if it has what's called a
closed "C" axis. What does this mean? Well, given a tourmaline crystal in its original shape, if you look down the crystal (as if you were looking down a metal pipe) and it appears black or very very dark, this tourmaline is said to be "closed", like pulling a curtain across a window. If you can clearly see down the crystal even though the colour may change slightly, eg. a pink tourmaline might look peachy down the "C" axis, it is said to be "open". When a tourmaline with a closed "C" axis is cut, the resulting gem will in all likelihood appear darkish, especially around the ends if it is a rectangluar design. All things being equal, an "open" gem should demand a higher price then a "closed" gem. You can see an example of an open "C" axis tourmaline in the rough here.


 

 

 

 

 

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