|
|
|
| LOOSE SPHENE NATURAL COLOR Hardness 5.0-5.5 |
 |
| |
Online Certificate |
| RETURN TO »» SPHENE |
|
| 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. |
|
|
3.52 cts. Oval rome ch sphene single |
 |
|
x |
Pieces: |
 |
1 Sphene |
x |
x |
Type: |
|
100%Natural |
|
|
|
|
|
|
|
|
|
|
Color: |
|
Greenish |
|
|
Shape: |
|
Oval faceted |
|
|
|
|
|
|
|
|
|
|
Weight: |
|
3.52 Carats |
|
|
Size: |
|
13.4 x 7.7 x 4.1 mm. |
|
|
|
|
|
|
|
|
|
|
Clarity: |
|
NFL |
|
|
Luster: |
|
Excellent |
|
|
|
|
|
|
|
|
|
|
Treatment: |
|
None (N) |
|
|
Origin: |
|
Madagascar |
|
|
|
|
|
|
|
|
|
|
|
Refr. Index: |
|
1.885 - 2.050 |
|
|
Hardness |
|
5.0-5.5 |
|
|
 |
|
|
|
|
Depth: 4.1 mm |
|
|
| 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. |
|
| Stone Price: USD 824.00
ref:TIgo352
|
|
|
|
|
Why Shop With GGGems.com ? |
|
|
 |
 |
|
 12-Days Inspection Period |
|
Gemological Authenticity |
|
No Risk Payment |
|
No Risk Return Policy |
|
Swiss Owned |
|
24 Hour Email Response |
|
|
Secure Insured Delivery |
A. Darbellay; your guide to GGGems.com |
|
Customer Commitment |
|
|
Qualified Gemologists |
RETURN TO »» SPHENE |
|
Fluent English Support by e-mail |
|
|
- Scale determining the purity of a stone. - |
|
|
|
| FL |
NFL |
SI1 |
SI2 |
MI1 |
 |
 |
 |
 |
 |
| Flaw less |
Near flaw less |
Slightly included 1 |
Slightly included 2 |
Medium included 1 |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| MI2 |
MI3 |
VI1 |
VI2 |
HI |
 |
 |
 |
 |
 |
| Medium included 2 |
Medium included 3 |
Very included 1 |
Very included 2 |
Highly included |
|
|
|
|
|
|
