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UNTREATED
LIGHT- BLUE SAPPHIRE NATURAL
COLOR
Hardness 9 |
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SAPPHIRE BLUE
| Chemical properties:
corundum is composed of pure alumina; its colouring is due to metallic | | oxide traces or inclusions. The color of sapphire, due to iron and titanium oxide, gives its best | | effect under daylight. Electric light makes it often dark. | | Gems are generally found in alluvium, but come either from basaltic slags, or from metamorphized
marble. | | | | | 1.34 cts.
Natural Oval light-blue sapphire single | | |  | | x | Pieces: |  | 1 Sapphire | x | x | Type: | | 100% Natural | | | | | | | | | | | | Color: | | Light
blue | | | Shape: | | Oval faceted | | | | | | | | | | | | | Weight: | | 1.34 Carats | | | Size: | | 7
x 5.3 mm. | | | | | | | | | | | | Clarity: | | FL | | | Luster: | | Excellent | | | | | | | | | | | | Treatment: | | None
(N) | | | Origin: | | Madagascar | | | | | | | | | | | Comment:
light-blue. | | Refr. Index: | | 1.76-1.78 | | | Hardness | | 9 |
| Hand
cut by
one of our
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masters lapidaries. Step
cut. | | | | | | | Depth:4.3
mm. |  |
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Stone
Price: USD 1031.00
ref:SAlboN134
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SAPPHIRE BLUE |
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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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| Medium
included 2 |
Medium
included 3 |
Very
included 1 |
Very
included 2 |
Highly
included |
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