TOURMALINE CATS EYE 4.19 Cts HONEY BROWN NATURAL CEYLON LOOSE GEMSTONE 20611
Product Code: | 20611 |
Availability: | In Stock |
-
$390.00
Carats | 4.19 |
Size | 11.4 x 9.8 mm |
Color | Honey Brown |
Clarity | SI |
Shape | Oval |
Treatment | None |
Origin | Sri Lanka |
Location | Colombo, Sri Lanka |
Price | $ 390.00 |
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.