Rainbow Topaz Gemstones
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Hardness
8.0 on the Mohs scale.
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Occurrence
The same as silver topaz. However, rainbow topaz is not found in nature. Topaz and citrine are the birthstones of the month of November.
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Appearance
Blue-green with an diffusion treatment that creates a rainbow play of colors. There are a couple of patented processes that produce similar results.
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Enhancements
Silver topaz (colorless), treated with a diffusion process to produce a permanent and stable beautiful blue-green topaz with a play of colors.
More information on gemstone enhancements.
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Gemstone Family
Rainbow Topaz is a member of the Precious Topaz gemstone family.
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Rainbow Topaz
Rainbow Topaz
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|
3.27 ct. |
|---|
| 10.0x8.0mm Oval Cut |
| Medium |
| Vivid Very Strongly Greenish Blue |
| Loupe Clean |
| [U] Diffusion treated. |
| ~ |
| With flashes of different colors shown in the light. |
| Rainbow Topaz |
Display Only (sold) |
|---|
|
Calibrated Rainbow Topaz
Calibrated Rainbow Topaz
Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.
- A Blue-green with a play of colors, clear and bright, good cut, good polish.
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| Rainbow Topaz |
Quality |
A |
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| Shape |
Size |
Avg. Weight |
Price Each |
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|
|
6mm
|
0.98 ct.
|
|
|---|
|
8mm
|
2.22 ct.
|
|
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|
10mm
|
4.64 ct.
|
|
|---|
| |
|---|
| |
A |
|---|
|
|
7x5mm
|
0.99 ct.
|
|
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|
8x6mm
|
1.57 ct.
|
|
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10x8mm
|
3.11 ct.
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|
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12x10mm
|
5.29 ct.
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|
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14x10mm
|
7.17 ct.
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|
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| |
|---|
| |
A |
|---|
|
|
6mm
|
1.27 ct.
|
|
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|
8mm
|
2.74 ct.
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|
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|
10mm
|
5.05 ct.
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