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Tourmaline Set 12.69 ct | Cushion Cut | Mint Green | Rubaya, Congo (DRC)
SKU:
TOT002
In stock
$2,284.00| Stone(s) | Tourmaline |
|---|---|
| Total weight | 12.69 ct / 3 pcs |
| Country of Origin | Congo |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | Mint |
| Color | Green |
| Shape(s) | Cushion |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | Pair = 11.00 x 7.50 mm |
| Dimension 2 (L/W/H) | Middle Stone 12.90 x 8.40 x 6.20 |
| Gemstone Seletion | 3-Stone Sets |
| HTS-Code | 7103.99.0000 |
| Refractive Index | nω = 1.633–1.651 & nε = 1.615–1.630 |
| Birefringence | 0.018 – 0.021 |
| Hardness (Mohs) | 7.0 – 7.5 |
| Gravity | 3.00 – 3.10 |
| Crystal System | Trigonal |
| Chemical Formular | Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg |
| Region / Mine | Rubaya |