Emerald

emerald

Emerald

Gem experts differ on the degree of green that makes one stone an emerald and another stone a less-expensive green beryl. Most gemologists, gemological laboratories, and colored stone dealers call a stone green beryl when its color is “too light” for it to be classified as emerald. Even among that group, however, there’s a difference of opinion about what’s considered “too light.”

emerald-stone
emerald-stone

2.97 BILLION YEARS

Age of the oldest emeralds, from South Africa.


CLEOPATRA

Pharaoh known for her passion for emeralds.


$6,578,500

2011 sales price for Elizabeth Taylor’s emerald pendant –  a record $280,000 per carat.


FACTS

  • Mineral: Beryl
  • Chemistry: Be3Al2Si6O18
  • Color: Vibrant green
  • Refractive Index: 1.577 to 1.583
  • Birefringence: 0.005 to 0.009
  • Specific Gravity:   2.72
  • Mohs Hardness: 7.5 to 8

BIRTHSTONES & ANNIVERSARIES

As the gem of spring, emerald is the perfect choice as the birthstone for the month of May. It’s also the gem of the twentieth and thirty-fifth wedding anniversaries.

COLORCOLORCUTCARAT WEIGHT
Emerald Color, Màu emerald
Emerald Color, Màu emerald

The most desirable emerald colors are bluish green to pure green, with vivid color saturation.
clarity emerald, Ngọc lục bảo, emerald độ tinh khiết
clarity emerald

In Emerald expect to see inclusions that dealers like to call an internal “jardin,” or garden.

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