aquamarine

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Photo courtesy of Scott Papper, GIA GG, AJP, Global Gemology & Appraisals

Variety:  Aquamarine
Species:  Beryl
​​Mohs Hardness:  7.5 to 8 out of 10
Color:  Greenish blue to blue green, generally light in tone.
RI:  1.577 to 1.583 (+/-0.017)
Birefringence:  0.005 to 0.009
SR/DR/AGG:  DR
Clarity Type:  Type I
Optic Character:  Uniaxial negative
Pleochroism:  Weak to moderate blue & greenish blue or different tones of blue
Spectrum:  Generally not diagnostic
Fluorescence:  Inert
SG:  2.72 (+0.18 / -0.05)

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aquamarine facts

Photo courtesy of Scott Papper, GIA GG, AJP, Global Gemology & Appraisals

Aquamarine is the greenish blue to blue green variety of beryl, named after the Latin word for seawater.
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Most faceted aquamarine used in jewelry is high clarity, inclusion free material.

​Mrs. Eleanor Roosevelt was gifted a 1,847 carat fine aquamarine, by the Brazilian government, in 1935.
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​Aquamarine is a March birthstone and is the 19th wedding anniversary gemstone.
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