Bi-Tourmaline from Afghanistan (1 Piece)

Colour Notes:
Available Sizes: 5mm to 18mm
Available Cuts: Octagon, Rectangle
Colour: various (Select the gemstone to see pictures)
Clarity: VS, SI & I
Origin: Afghanistan
Number of items in parcel: 1 piece

These are beautiful and rare natural Bi-Tourmaline gemstones. These are loose faceted gems. These gems are not treated. Several pictures are taken for each gemstone. See more details below.

Size Exact Size Weight ct Clarity Cut  Comment
7x4mm 6.5x3.6mm 0.59 SI Rectangle Blue and Green Bi-Tourmaline
9x3mm 8.6x3.4mm 0.61 VS Rectangle Radiant cut. Blue and Green Bi-Tourmaline. Slightly tapered when magnified.
12x3mm 12.1x2.9mm 0.67 VS Octagon Green and Light Blue Bi-Tourmaline
15x3mm 14.8x3mm 0.71 VS Rectangle Radiant cut. Blue and Green Bi-Tourmaline
13x3mm 12.5x3.2mm 0.81 SI Octagon Clarity is SI not VS.
12x3mm 11.8x3.4mm 0.82 VS Rectangle Radiant cut, Blue, Green, Colourless, Bi Tourmaline
12x3mm 11.6x3.4mm 0.85 VS Rectangle Bi-Tourmaline. Green and Colorless. Radiant cut
12x3mm 12.3x3.3mm 0.92 VS Rectangle Radiant cut, Light Bluish Green and Colorless
16x4mm 16.4x3.6mm 1.8 VS Rectangle Step cut, Light Blue to Dark Blue
8x7mm 8.4x7mm 2.03 SI Octagon Blue and Green Bi-Tourmaline
16x5mm 15.7x5.3mm 2.76 VS Octagon Bi-Tourmaline Forest green to green.
12x6mm 11.8x5.6mm 2.78 VS Octagon Bi-Tourmaline Forest green to green.
9x7mm 8.8x6.7mm 3.77 VS Octagon Green and Light Green Bi-Tourmaline 
15x6mm 14.5x5.5mm 4 SI Octagon Light Pink & Colourless
18x7mm 17.7x6.8mm 6.7 VS Octagon Light Pink & Light Green

Shipping

 

Test Report Certificate

Test Report by an Australian Gemologist can be provided at an additional fee. You my buy a Test Report by going to our arcgems eBay store. All of our gemstones are checked by a gemologist. So rest assured you are buying gems as described.

Warning: There are many sellers on eBay who sell low quality, fake or imitation gemstones and many times they don't even know it. We strongly suggest to buy natural gemstones only if they are tested & verified by a qualified gemologist.

 

Clarity Guide

Note that the gemstone pictures are magnified 10 to 100 times, bigger than original size. Therefore, even microscopic dust, scratches, reflections, abrasions and inclusions are seen in the pictures. But such microscopic detail is not visible with naked eyes.

 

Eye Clean  

IF: Eye Clean and 10x Loupe Clean. Inclusions are difficult to find under 10x magnification.

VVS: Noticeable inclusions under 10x Loupe magnification. Eye clean.

VS: Inclusions are very small that are not easily visible to the naked eye.

 

Slightly Included

SI1: Inclusions are visible to the naked eye. These are small or vague and are less than 10 in number.

SI2: Inclusions are visible to the naked eye. These are small or vague and are more than 10 in number.

 

Included

I: Inclusions are prominent to the naked eye and to the point where transparency of stone may be affected.