Opals
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Aucune réserve de pierres précieuses
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Aucun bijoux de réserve
Pas de pièces de réserve
Natural Tanzanite 1.55 Ct Color Top Quality ~ Gorgeous 1
- UGS
- Dimensions (mm)
- 8.900 x 5.900 x 4.300mm
- Poids (cts)
- 1.550
- Taper
- Faceted
- Couleurs
-
Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used extensively in jewelry. To date, Tanzanite is found only in the Arusha region of the African country of Tanzania, and it was named after its country of origin.
Tanzanite gemstones are always Heat treated. Natural Tanzanites have a more dull gray, greenish, or brownish color, and heating to above 800 degrees Fahrenheit (about 430 Celsius) will produce the deep blue to violet color. The main appeal of Tanzanite is its lovely color. Its color ranges from pure blue to purplish-blue. It is highly pleochroic, and will display different color saturation when viewed at different angles.
Item specifics
Name: Tanzanite
Place of Origin: Tanzania
Treatment: Heated
- UGS
- Dimensions (mm)
- 8.900 x 5.900 x 4.300 mm
- Poids (cts)
- 1.550
- Taper
- Faceted
- Couleurs
-
Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used extensively in jewelry. To date, Tanzanite is found only in the Arusha region of the African country of Tanzania, and it was named after its country of origin.
Tanzanite gemstones are always Heat treated. Natural Tanzanites have a more dull gray, greenish, or brownish color, and heating to above 800 degrees Fahrenheit (about 430 Celsius) will produce the deep blue to violet color. The main appeal of Tanzanite is its lovely color. Its color ranges from pure blue to purplish-blue. It is highly pleochroic, and will display different color saturation when viewed at different angles.
Item specifics
Name: Tanzanite
Place of Origin: Tanzania
Treatment: Heated
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PositifMagnificent Gemstone, everything is 100% ok
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Neutre
The gem is many times more pale then the photo - its not at all green but almost colorless
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Positif
Prompt shipping, stone as advertised
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Négatif
I received the Aquamarine gemstone and it looked nothing like the description or picture on the auction site. The stone is clear with no shade of blue to it. VERY DISAPOINTED!!!
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Positif
Beautiful Stone
