Blue Green Bi Color Tourmaline. Emerald Cut. 4.71 ct.

Rare Bi Color Tourmaline! Bright Blue Green Tourmaline. This natural bicolor gemstone of 4.71 ct is very elegant, has a perfect emerald cut and excellent clarity, its size is ideal for your personalized jewelry. Great Value.

WEIGHT : 4.71 ct.
SIZE : 11.07 * 8.03 * 6.51 mm.
SHAPE : Emerald
COLOR : 18. (GB/BG) Green-Blue
TONE : 4. Medium light
SATURATION : 3. Very Slightly Brownish / Grayish
CLARITY GRADE : Eye Clean
CUT GRADE : Excellent
TREATMENT : Unheated
HARDNESS : 7 - 8

Inclusions type : Lattice defect. 

Tourmaline and Opal are the birthstones for October. In 1952, the Jewelers of America association included the Tourmaline in the list of birthstones, becoming the second birthstone for October. 

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