Showing all 2 results
Tourmaline 7.13 ct | Oval | Brownish Peach | Minas Gerais, Brazil
In stock
$588.00
SKU:
TOS218
| Stone(s) | Tourmaline |
|---|---|
| Total weight | 7.13 ct / 1 pcs |
| Country of Origin | Brazil |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | SI |
| Saturation / Tone | Rich |
| Shade | brownish |
| Color | Peach |
| Shape(s) | Oval |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 14.10 x 10.10 x 7.30 mm |
| 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 |
| Gemstone Seletion | Single Stones |
| Region / Mine | Minas Gerais |
Tourmaline 9.32 ct | Oval | Brownish Peach | Ibity, Madagascar
In stock
$1,398.00
SKU:
TOS219
| Stone(s) | Tourmaline |
|---|---|
| Total weight | 9.32 ct / 1 pcs |
| Country of Origin | Madagascar |
| Treatment | Untreated |
| Stone Type | Type I |
| Transperency | Transparent |
| Clarity | EC |
| Saturation / Tone | Rich |
| Shade | brownish |
| Color | Peach |
| Shape(s) | Oval |
| Cutting Style | Faceted |
| Cut Crown | Brilliant Cut |
| Cut Pavilion | Step Cut |
| Dimensions 1 (L/W/H) | 15.00 x 11.80 x 8.20 mm |
| 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 |
| Gemstone Seletion | Single Stones |
| Region / Mine | Ibity |