Aquamarine faceted Loose .80 cts 7x5x4 MM natural 542D

Product Details

  • Aquamarine faceted Loose .80 cts 7x5x4 MM natural 542D
  • 542D
  • aquamarine
  • $160.00 inc. tax

  • Units in Stock: 1

Aquamarine faceted Loose .80 cts 7x5x4 MM natural 542D Summary

Aquamarine faceted Loose .80 cts 7x5x4 MM natural 542D
 


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Certified
100% real not man made but genuine from the earth gemstone.
100% Genuine and natural no treatment.
100% money back if not happy.  
 

CLARITY SCALE
IF VERY HIGH QUALITY & NO INCLUSIONS.
VVS HIGH QUALITY WITH VERY SLIGHT INCLUSIONS.
VVS1 HIGH QUALITY WITH SLIGHT  INCLUSION.
VS FINE QUALITY WITH  INCLUSION SLIGHTLY VISIBLE TO THE NAKED EYE.
VS1 FINE QUALITY WITH INCLUSION VISIBLE TO THE NAKED EYE.
SI GOOD QUALITY WITH  INCLUSIONS VISIBLE TO THE NAKED EYE.
SI1 INCLUSIONS BECOMING PROMINENT TO THE EYE.
I INCLUDED.

THIS GEMSTONE IS GRADED: V V S


 

 
 



Beryl (beryllium aluminum silicate)  
Types/Color

Aquamarine – light blue to blue-green

Bixbite – Red to strawberry-red

Emerald – Green

Goshenite – colorless

Heliodor – deep yellow

Morganite – Pink to peach

Other beryls may be referred to by their color, such as green beryl and yellow beryl.

Mohs hardness 7.5-8

Refractive index 1.57-1.6

Critical angle 39.5°

Specific gravity 2.65-2.75

Cleavage None

Fracture Conchoidal, tough

Dispersion Medium (.014)

Heat sensitivity None

Pleochroism Dichroic – Golden weak (yellow to light-yellow); Goshenite colorless, no dichroism; Green distinct (yellow-green to blue-green); Heliodor weak (gold-yellow to greenish-yellow); Morganite distinct (pale-pink to lavender-pink); Purple distinct (purple to colorless); Yellow (light yellow to medium yellow).

Birefringence (double refraction) Weak (.006-.009)

Crystal structure Hexagonal



Cutting Emerald and bixbite with heavy inclusions can break apart.  Otherwise, beryl is probably the easiest stone to facet.

Polishing Beryl polishes easily with alumina or cerium oxide.

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