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NATURAL RARE TOURMALINE CATS EYE 2.10 CTS – 14505 SRI LANKA LOOSE GEMSTONE

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1 in stock

$70.00

Carats 2.1
Size 8.4 x 6.7 mm
Color Brown
Clarity VSI
Shape Oval
Treatment None
Origin Sri Lanka
Location Colombo, Sri Lanka
Price $ 70.00
  • Estimated delivery time 10-14 days
  • Return Accepted within 30 days.
SKU: 14505

Product details

100% Natural – Not treated in any way.
Rare Colectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Beautiful sharp Catseye effect.
A Gem of Lasting Beauty.

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.

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