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Blue/Green Topaz |
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Mineral group: Silicate
Chemistry: Al2[SiO4](F,OH)
2
Color: Various grade of
Blue/green
Crystal system:
Orthorhombic
Fracture: Conchoidal,
uneven
Mohs Scale hardness: 8
Refractive index: 1,610-1,638
Dispersion: 0,014
Birefringence: +0,008-0,010
Pleochroism Present: Weak in
thick sections
Streak: -
Specific gravity: 3,53-
3,56
Other:
Topaz very rarely occurs blue
naturally. It is usually treated
to come blue. Topaz is a very
good and popular gemstone
for jewelry, its hard and
appear in many colors. With
blue Topaz a varity called
London Blue Topaz is
considered most valuable
among blue Topaz. |
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| Quantity |
Origin |
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Product Name |
Price- |
Buy Now |
| 1 |
Brazil |
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Cert. Untreat. Blue Topaz 44,71 Ct Oval 23,16x18,48x14,8 mm IF |
11.677:- |
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| 1 |
Brazil |
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Cert. Untreat. Blue Topaz 35,79 Ct Pear 17,25x11,49x11,61 mm IF- |
8.948:- |
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| 1 |
Brazil |
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Untreat. Light Blue Green Topaz 28,38 Ct Oval 18,6x15,4x11,8mm V |
4.966:- |
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| 1 |
Brazil |
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Untreat. Blue Topaz 5,43 Ct Oval 12,1x9,4x6,2 mm VVS |
950:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 6,57 Ct Oval 13,3x9,6x6,7 mm IF-VVS |
394:- |
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| 1 |
Brazil |
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Sky Blue Topaz 6,34 Ct Oval 13,8x8,9x7,0 mm IF-VVS |
380:- |
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| 1 |
Brazil |
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Sky Blue Topaz 5,91 Ct Oval 13,6x9,1x6,5 mm IF-VVS |
355:- |
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| 1 |
Brazil |
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Sky Blue Topaz 5,89 Ct Oval 11,8x9,8x7,0 mm IF-VVS |
353:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 5,61 Ct Oval 11,9x9,8x7,0 mm IF-VVS |
337:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 5,59 Ct Oval 12,0x9,9x6,7 mm IF-VVS |
335:- |
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| 1 |
Brazil |
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Sky Blue Topaz 5,41 Ct Oval 12,3x10,3x6,3 mm IF-VVS |
325:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 5,26 Ct Oval 11,8x9,7x6,6 mm IF-VVS |
316:- |
|
| 1 |
Brazil |
 |
Sky Blue Topaz 5,25 Ct Pear 14,3x9,3x6 mm IF |
315:- |
|
| 1 |
Brazil |
 |
Sky Blue Topaz 5,07 Ct Oval 11,7x9,6x6,2 mm IF-VVS |
304:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 5,01 Ct Emerald 10,2x10,1x5,7 mm IF-VVS |
301:- |
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| 1 |
Brazil |
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Blue Topaz 2,55Ct Princess 7,1x7,1mm VVS |
159:- |
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| 1 |
Brazil |
 |
Blue Topaz 2,01Ct Emerald 7,3x7,3x4,6mm IF-VVS |
159:- |
|
| 1 |
Brazil |
|
Blue Topaz 2,44Ct Princess 7,3x7,2mm VVS |
149:- |
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| 1 |
Brazil |
 |
Sky Blue Topaz 2,25 Ct Princess 7,2x7,2x4,9 mm VVS-VS |
135:- |
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| 4 |
Brazil |
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Blue Topaz 2,25Ct Princess 7,2x7,2+-0,1mm VS |
90:- |
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| Displaying 1 to 20 (of 21 products) |
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