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Premium Rarity Golden Champange Topaz: 18.46 Ct Brilliant Color Ouro Brazil
- SKU
- 220B
- Dimensions (mm)
- 13.400 x 13.400 x 10.600mm
- Weight (cts)
- 18.460
- Treatment
- Heat Treatment
- Clarity
- SI
- Type
- Faceted
- Shape
- Fancy
- Colours
-
Topaz is an aluminum silicate containing fluorine and has a chemical formula of Al2(F,OH)2SiO4. It is formed by fluorine-bearing vapours given off during the last stages of the crystallization of igneous rocks. It typically occurs in cavities in rhyolites and granite, in pegmatite dikes, and in high-temperature veins.
- SKU
- 220B
- Dimensions (mm)
- 13.400 x 13.400 x 10.600 mm
- Weight (cts)
- 18.460
- Treatment
- Heat Treatment
- Clarity
- SI
- Type
- Faceted
- Shape
- Fancy
- Colours
-
Topaz is an aluminum silicate containing fluorine and has a chemical formula of Al2(F,OH)2SiO4. It is formed by fluorine-bearing vapours given off during the last stages of the crystallization of igneous rocks. It typically occurs in cavities in rhyolites and granite, in pegmatite dikes, and in high-temperature veins.
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Rest of the world
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Positive
Received with thanks.
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Positive
Received with thanks.
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Positive
Very pleased ++++++
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Positive
Very pleased+++++++
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Positive
Really pretty even with the inclusions! A very nice shade of blue. Thumbs up from me!