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| LOOSE RUBELLITE TOURMALINE NATURAL COLOR Hardness 7.5 |
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| Tourmaline chemical composition is (Na, Li,Ca) (Fe2, Mg, Mn, Al)3 Al6 I(OH)4 I (BO3)3ISi6O18I . |
| Crystaline system: Trigonal. |
| Occurences: In the acid magmatic rocks and associated pegmatites, limestones and schists, placers. |
| Coloured tourmalines are related to sodolithic pegmatites. |
One distinguishes two principal types of tourmalines: the hexagonal type and the triangular one. |
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5.63 cts. Asymmetrical rubellite tourmaline single |
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Pieces: |
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1 Rubellite |
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Type: |
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100% Natural |
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Color: |
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Deep pink |
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Shape: |
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faceted |
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Weight: |
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5.63 Carats |
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Size: |
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15.6 x 9.3 mm. |
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Clarity: |
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MI1 |
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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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| Tone scale: medium. |
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Refr. Index: |
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1.62-1.64 |
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Hardness |
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7.5 |
| Pink bubble gum |
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| Stone Price: USD 1407.00
ref:Tra563
 
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  Depth:7.3 mm.
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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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- 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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