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5.45CT Natural Katlang Topaz stone
- UGS
- Dimensions (mm)
- 10.450 x 7.550 x 7.500mm
- Poids (cts)
- 5.450
- Treatment
- No Treatment
- Shape
- Cushion
- Taper
- Faceted
- Clarity
- VVS
- Couleurs
-
5.45CT Natural Katlang Topaz stone
Weight:(5.45)CT
Stone:(Topaz)
Origin:( Pakistan From Katlang)
Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al2SiO4(F, OH)2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange.[7] Topaz is often treated with heat or radiation to make it a deep blue, reddish-orange, pale green, pink, or purple.
Topaz is a nesosilicate mineral, and more specifically, an aluminosilicate mineral.[9] It is one of the hardest naturally occurring minerals and has a relatively low index of refraction. It has the orthorhombic crystal system and a dipyramidial crystal class.[10]
It occurs in many places in the world. Some of the most popular places where topaz is sourced are Brazil and Russia.[7] Topaz is often mined in open pit or alluvial settings.
- UGS
- Dimensions (mm)
- 10.450 x 7.550 x 7.500 mm
- Poids (cts)
- 5.450
- Treatment
- No Treatment
- Shape
- Cushion
- Taper
- Faceted
- Clarity
- VVS
- Couleurs
-
5.45CT Natural Katlang Topaz stone
Weight:(5.45)CT
Stone:(Topaz)
Origin:( Pakistan From Katlang)
Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al2SiO4(F, OH)2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange.[7] Topaz is often treated with heat or radiation to make it a deep blue, reddish-orange, pale green, pink, or purple.
Topaz is a nesosilicate mineral, and more specifically, an aluminosilicate mineral.[9] It is one of the hardest naturally occurring minerals and has a relatively low index of refraction. It has the orthorhombic crystal system and a dipyramidial crystal class.[10]
It occurs in many places in the world. Some of the most popular places where topaz is sourced are Brazil and Russia.[7] Topaz is often mined in open pit or alluvial settings.
Fournisseur d'expédition | Expédition vers :pays | Expédition dans le reste du monde |
---|---|---|
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Audit
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Description inexacte
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Images précises
Comments
Topaz of this color should be listed as Irradiated.