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| BLUE
TOPAZ
Hardness 8 |
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TOPAZ
Online
Certificate
| Chemical Composition:
Al2(SiO4) (FOH)2 Aluminum fluosilicate |
| Crystal Structure:
Orthorombic |
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| Gems are generally found in pegmatites or in alluvium. | |
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8.85
cts. Oval blue Topaz single |
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x |
Pieces: |
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Topaz |
x |
x |
Type: |
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Genuine |
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Color: |
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Blue |
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Shape: |
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Oval faceted |
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Weight: |
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8.85
Carats |
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Size: |
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15 x 9.7
mm.
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Clarity: |
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FL |
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Luster: |
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Excellent |
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Treatment: |
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Heated (H) |
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Origin: |
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Brazil |
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| We use a microscopic photography |
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Refr. Index: |
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1.61 -
1.638 |
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Hardness |
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8 |
| system. The actual gemstone is smaller than the images shown. |
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| Tone:
dark blue |
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| Stone
price: USD 168.00
ref: Tbo885
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Depth: 7.1
mm.
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Why Shop With GGGems.com ? |
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 |
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12-Days Inspection Period |
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Gemological Authenticity |
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No Risk Payment |
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No Risk Return Policy |
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Swiss Owned |
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24 Hour Email Response |
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Secure Insured Delivery |
A.
Darbellay; your guide to GGGems.com |
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Customer Commitment |
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|
Qualified Gemologists |
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AQUAMARINE |
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Fluent English Support by e-mail |
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-
Scale determining the purity of a stone.
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| FL |
NFL |
SI1 |
SI2 |
MI1 |
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| Flaw
less |
Near
flaw less |
Slightly
included 1 |
Slightly
included 2 |
Medium
included 1 |
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| MI2 |
MI3 |
VI1 |
VI2 |
HI |
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 |
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| Medium
included 2 |
Medium
included 3 |
Very
included 1 |
Very
included 2 |
Highly
included |
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