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7.60 ct Significant Octagon (20 x 7 mm) Un-Heated Brazil Bi-Color Tourmaline Loose Gemstone
7.60 ct Significant Octagon (20 x 7 mm) Un-Heated Brazil Bi-Color Tourmaline Loose Gemstone
Special Price $227.99 Regular Price $349.99
In stock
SKU
213284
Rare Stone! Un-Heated Bi Color Orgin From Brazil
| SKU | 213284 |
| Gem Type | Tourmaline - Bi-Color Tourmaline |
| Quantity in stock | 1 item(s) available |
| Color | Bi Color |
| Shape | Octagon |
| Size/Dimension (L x W) | 19.55 x 7.34 x 4.92 mm |
| Weight | 7.6 cts |
| Clarity | VVS-VS |
| Number of Pieces | 1 |
| Luster | Excellent |
| Origin | Brazil |
| Treatment | Un-Heated |
| Refractive Index | 1.62-1.64 |
| Specific Gravity | 3.06 |
| Chemical Composition | Na(LiAI)3AI6(BO3)Si6O18(OH)4 |
| FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I1 | I2 | I3 |
| Flawless- Internally Flawless | Very Very Slightly Imperfect | Very Slightly Imperfect | Slightly Imperfect | Imperfect | ||||||
