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LOOSE
KORNERUPINE
NATURAL
COLOR
Hardness 6.5 - 7 |
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3.77 cts. Oval
kornerupine faceted single |
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x |
Pieces: |
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1
Kornerpine |
x |
x |
Type: |
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100% Natural |
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Color: |
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Greenish-yellowish-bluish |
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Shape: |
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Oval |
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Weight: |
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3.77 Carat |
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Size: |
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12.3 x
8.8 x 5.8
mm |
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Clarity: |
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NFL |
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Luster: |
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Excellent |
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Treatment: |
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None (N) |
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Origin: |
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Madagascar |
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Refr. Index: |
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1.66-1.699 |
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Hardness |
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7.5 |
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Depth:5.8
mm.
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This
kornerupine is overall greenish. Blue and yellowish sparkles are visible when
the stone is moving. Its cut is quite good.
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This
is a virtual certificate compiled from the lab data for the gemstone being
examined. Clarity is based on magnification under a 10X corrected loupe. All gemology performed by GGGems. Jean & Alain
Darbellay guaranteeing that this stone
is 100% natural. Prices and availability are subject to change without
notice. |
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Kornerupine
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Fluent English Support by e-mail |
Hardness: |
6.5
- 7 |
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Specific Gravity: |
3.29
- 3.34 |
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Refractive Index: |
1.660
- 1.682 & 1.673 - 1.696 & 1674 - 1699 |
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Kornerupine
Data |
Chemical Composition: |
Mg4Al6
( (O,OH)2
I
BO4
(SiO4)4
) |
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Crystal Structure: |
Orthorombic |
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