TOURMALINE REDDISH ORANGE 2.17 CTS 19388 – NATURAL CEYLON GEMSTONE

100% Natural – Not treated in any way.
Rare Colectors Gem
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

R I:1.624(+.005,-.005)-1.644(+.006,-.006)
Hardness: 7-7.5
C Cp: (NaCa) (LI,MgFe,Al)9B3Si6(O,OH)31
Density: 3.06 (.05, +.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.