TOURMALINE COLOR CHANGE 3.69 CTS 19409 - RARE COLLECTORS GEM
| Product Code: | 19409 |
| Availability: | In Stock |
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$90.00
| Carats | 3.69 |
| Size | 9.6 x 8.4 x 5.9 mm |
| Color | Red Yellow Green |
| Clarity | VC |
| Shape | Rectangle |
| Treatment | None |
| Origin | Sri Lanka |
| Location | Colombo,Sri Lanka |
| Price | $ 90.00 |
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.
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.
Rare Collectors 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.
