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| CHROME
SPHENE
NATURAL
COLOR
Hardness 5 - 5.5 |
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9.90
cts. sphene trapeze green. single
23.5
x 6.1 mm. 
(
White spots are dust )
Almost
loupe
clean. Enhancement: none
(N)
stone PRICE USD
1980.00
ref:TIga 990
ORIGIN: Madagascar
 
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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 |
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is 100% natural. Prices and availability are subject to change without
notice. |
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Color: |
Rich Green With Rainbow Flashes |
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Clarity: |
Almost
loupe Clean |
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Luster: |
Good
Luster |
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Origin: |
Madagascar |
Visual Catalog |
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Hardness: |
5 -
5.5 |
Cutting Styles |
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Specific
Gravity: |
3.3
- 3.6 |
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Refractive
Index: |
1.885
- 2.050 |
 Ask a question |
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Chemical
Composition: |
CaTiSiO5,
Calcium Titanium Silicate |
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Crystal
Structure: |
Monoclinic |
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| Exceptional
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Very
fine -- |
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| Fine
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| Good
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An exceptionally fine
looking sphene that looks prettier than the picture. Certain subtle
elements of the gem are difficult to grasp with any imaging system.
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