TOURMALINE CATS EYE 11.43 CTS - NATURAL SRI LANKA LOOSE GEMSTONE 21118
Product Code: | 21118 |
Availability: | In Stock |
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$590.00
Carats | 11.43 |
Size | 15.33 x 10.89 mm |
Color | Medium Green |
Clarity | TRC |
Shape | Oval |
Treatment | None |
Origin | Sri Lanka |
Location | Colombo |
Price | $ 590.00 |
100% Natural - Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Catseye effect.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Chatoyancy is Cats Eye gems is best seen in Bright Sunlight or by focusing a flashlight on the face of the gem
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.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Catseye effect.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Chatoyancy is Cats Eye gems is best seen in Bright Sunlight or by focusing a flashlight on the face of the gem
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.