TOURMALINE CATS EYE 6.44 Cts OVAL SHAPE NATURAL SRI LANKA LOOSE GEMSTONE - 20651
| Product Code: | 20651 |
| Availability: | In Stock |
-
$290.00
| Carats | 6.44 |
| Size | 13.9 x 8.8 mm |
| Color | Dark Green |
| Clarity | VC |
| Shape | Oval |
| Treatment | None |
| Origin | Sri Lanka |
| Location | Colombo, Sri Lanka |
| Price | $ 290.00 |
100% Natural - Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Clean Gems are rare.
Beautiful sharp Catseye effect.
Among the Rarest of gemstones.
Refractive Index:1.624(+.005, -.005) - 1.644(+.006, -.006)
Hardness: 7-7.5
Chemical Comp: (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31
Density: 3.06 (.05, +.15)
Crystal Group: Hexagonal
Some Tourmalines contain tiny, parallel inclusions, causing them to display a strong chatoyancy and are cut en-cabochon to cats-eyes, which are rare- a collector’s gem. Tourmaline comes from the Singhalese (Sri Lankan) words ‘tura mali' – gem with several colors. Tourmalines come in a variety of colors, some have two or more colors, some even color-changing.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Clean Gems are rare.
Beautiful sharp Catseye effect.
Among the Rarest of gemstones.
Refractive Index:1.624(+.005, -.005) - 1.644(+.006, -.006)
Hardness: 7-7.5
Chemical Comp: (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31
Density: 3.06 (.05, +.15)
Crystal Group: Hexagonal
Some Tourmalines contain tiny, parallel inclusions, causing them to display a strong chatoyancy and are cut en-cabochon to cats-eyes, which are rare- a collector’s gem. Tourmaline comes from the Singhalese (Sri Lankan) words ‘tura mali' – gem with several colors. Tourmalines come in a variety of colors, some have two or more colors, some even color-changing.
