Tourmaline Cats Eye 18.00 Carats Natural Sri Lanka Gemstone 20366
TOURMALINE CATS EYE 18.00 CARATS - 20366 RARE COLLECTOR GEM. 18.02 x 13.07 mm. 100% Natural - Not treated in any way. Rare Collectors Gem A Gem of Lasting Beauty. Razor Sharp Silver Ray R I:1.624+. 006.006 Hardness: 7-7.5 C Cp: (NaCa) (LI, MgFe, Al)9B3Si6(O, OH)31 Density: 3.06.15 Crystal Group: Hexagonal Tourmaline occurs in all colors, but red, green, and multicolored are the most popular gems.
The name Tourmaline comes from the Singhalese (Sri Lankan) words'tura mali' Gem with in a multitude of colors, some have two or more colors, some even color-changing, and also a rare variety- the Cats-eye. Tourmalines will often display several colors and its main feature is its marked dichroism. Green Tourmaline is very popular. The item "TOURMALINE CATS EYE 18.00 CARATS NATURAL SRI LANKA GEMSTONE 20366" is in sale since Monday, July 13, 2020. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Tourmaline".
The seller is "cresla" and is located in Colombo. This item can be shipped worldwide.
- Shape: Oval
- Country of Origin: Sri Lanka
- Certification: CGJ
- Natural/Lab-Created: Natural
- Length: 18.02 mm
- Width: 13.07 mm
- Lot: No
- Cut Grade: Good
- Variety/Type: Green
- Color: Dark Green
- Transparency: Opaque
- Treatment: None (No Enhancement)
- Brand: Cresla
- Total Carat Weight (TCW): 18.00