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Tout afficher (4)
Presenting 5.86 carats zircon pear shape
- UGS
- Zar1
- Dimensions (mm)
- 10.400 x 9.700 x 6.200mm
- Poids (cts)
- 5.860
- Treatment
- No Treatment
- Shape
- Pear
- Taper
- Faceted
- Clarity
- VVS
- Couleurs
-
Zircon is a mineralbelonging to the group of nesosilicates and is a source of the metal zirconium. Its chemical name is zirconium(IV) silicate, and its corresponding chemical formula is ZrSiO4. An empirical formulashowing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y. Zircon precipitates from silicate melts and has relatively high concentrations of high field strength incompatible elements. For example, hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonalcrystal system. The natural color of zircon varies between colorless, yellow-golden, red, brown, blue, and green.
- UGS
- Zar1
- Dimensions (mm)
- 10.400 x 9.700 x 6.200 mm
- Poids (cts)
- 5.860
- Treatment
- No Treatment
- Shape
- Pear
- Taper
- Faceted
- Clarity
- VVS
- Couleurs
-
Zircon is a mineralbelonging to the group of nesosilicates and is a source of the metal zirconium. Its chemical name is zirconium(IV) silicate, and its corresponding chemical formula is ZrSiO4. An empirical formulashowing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y. Zircon precipitates from silicate melts and has relatively high concentrations of high field strength incompatible elements. For example, hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonalcrystal system. The natural color of zircon varies between colorless, yellow-golden, red, brown, blue, and green.
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Positifnice stone, quick service, thanks!
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Positif
This is the most stunning stone I've seen. It's astounding.
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Positif
Beaut stones.
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Positif
Beaut lil aqua gems!
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Positif
Will buy from again, better stone than expected+++++
