TOURMALINE COLOR CHANGE 2.15 CTS 18941 - HIGHLY LUSTROUS GEM

TOURMALINE COLOR CHANGE 2.15 CTS 18941 - HIGHLY LUSTROUS GEM

  • $49.00

Carats 2.15
Size 8.6 x 7.1 x 5.6 mm
Color Red - Yellow - Green
Clarity VC
Shape Oval
Treatment None
Origin Sri Lanka
Location Colombo,Sri Lanka
Price $ 49.00
100% Natural - Not treated in any way.
Rare Colectors Gem.
Suitable for Museums,Institutions and Students of Gemology.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Tourmaline Color-change - A unique color miracle
displaying a Mix of Red, Yellow, Gold and Green - Rare type of Tourmaline

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
The name Tourmaline comes from the Singhalese
(Sri Lankan) words ‘tura mali'
Gem with several colors some have two or more colors
some even color-changing, and also a rare variety- the Cats-eye.

Sri Lanka produces a beautiful multi colored tourmaline a mix of red yellow and green which are more like color-changing. Multicolored gems are truly a gemological wonder, as they have a unique beauty of their own displaying different colors at different angles due to pleochroism.


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