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| LOOSE
BROWN-COLA SPHENE NATURAL
COLOR
Hardness 5.0-5.5 |
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Online
Certificate |
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SPHENE |
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| Chemical
Composition: CaTiSiO5, Calcium Titanium |
| Crystal
Structure: Monoclinic |
| Environment:
Magmatic, metamorphic and hydrothermal rocks. |
| Name Origin:
Titanite Named
after its chemical composition of titanium. |
| This
stone shows an exceptional
capacity to restore the light, thanks in particular to its high |
| refractive
index, especially under not very enlightened condition. |
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|
38.91 cts.
Octagon sphene single |
 | | x | Pieces: |  | 1
Sphene | x | x | Type: | | 100%
Natural | | | | | | | | | | | | Color: | | Brown
cola | | | Shape: | | Octagon faceted | | | | | | | | | | | | | Weight: | | 38.91Carats | | | Size: | |
25.9 x 14 mm | | | | | | | | | | | | Clarity: | | SI1 | | | Luster: | | Excellent | | | | | | | | | | | | Treatment: | | None
(N) | | | Origin: | | Madagascar | | | | | | | | | | | We use a microscopic photography | | Refr. Index: | | 1.885
- 2.050 | | | Hardness | | 5.0-5.5 | | system. The actual gemstone is smaller than the images shown. | | | | | | | Depth:10
mm. |  | | White
spots seen in photos are dust. | | Stone
Price:
USD 12768.00
ref:TIbe
3891
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SPHENE |
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To purchase a stone click to ORDER
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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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Color: |
Rich
brown-cola With Rainbow Flashes |
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| |
Clarity: |
Slightly
included |
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Luster: |
Good
Luster |
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Origin: |
Madagascar |
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Hardness: |
5 -
5.5 |
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Specific
Gravity: |
3.3
- 3.6 |
Visual Catalog |
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Refractive
Index: |
1.885
- 2.050 |
Cutting Styles |
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Chemical
Composition: |
CaTiSiO5,
Calcium Titanium Silicate |
Ask a question |
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Crystal
Structure: |
Monoclinic |
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