CERT FACETED AQUAMARINE GEMSTONE 1.49 CTS 0390

Item Information

Dimensions (mm) 7 x 5 x 4mm
Weight (carats) not provided
Colors
Certified Gemstone

NATURAL AQUAMARINE GEMSTONE

ORIGIN: PAKISTAN

CLARITY: VS, EYE CLEAN

GEM SIZE:  7.23 X 5.83 X 4.50 MM

SHAPE:  FACETED OCTAGON CUT

TREATMENT: NONE, NATURAL

PIECES:  1 PC

 

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IN THIS AUCTION YOU WILL ALSO RECIEVE:

THE CERTIFICATE OF AUTHENTICATION OF THE GEMSTONE AND ALSO

A COPY OF THE GEMOLOGISTS' CREDITATION FROM THE GEMOLOGICAL INSTITUTE OF AMERICA

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GEMOLOGIST INFORMATION:

COMPANY GEMMOLIGIST HAS CERTIFIED THIS GEMSTONE AND CERTIFICATE INCLUDED WITH THIS GEMSTONE

AS NATURAL STONE, NO TREATMENT.

MANSOOR RAHMAN GRADUATED FROM GEMOLOGICAL INSTITUTE OF AMERICA IN 1979

AND HAS WEALTH KNOWLEDGE ABOUT GEMSTONES AND ACTS AS CONSULTANT TO STARS AND GEMS

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AQUAMARINE GEMOLOGY INFORMATION:

 

Aquamarine gemology
Species: Beryl
Color: Light blue to dark blue, blue green
Chemical composition: Al2Be3Si6O18, aluminum beryllium silicate
Crystal system: (Hexagonal), hexagonal prisms
Hardness: 7.5 - 8 (Mohs scale)
Specific gravity: 2.68 - 2.74
Refractive index: 1.564 - 1.596
Birefringence: -0.004 to - -0.005
Optical character:
Color of streak: White
Absorption spectrum: 537, 456, 427
Fluorescence: None

 

3d 21h 12m 33s

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Pricing & Details

Bid Increment $1.00
Starting Bid $45.00
Auction ID 161579
Watchers 7 watching
Viewed 1,871 times
Starts 5th Dec 2016 4:02pm PST
Ends 9th Dec 2016 4:00pm PST

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