13x6x5mm 2.1 cts natural Aquamarine faceted Loose cut for sale U136

 Certified

100% real not man made but genuine from the earth gemstone.

100% Genuine and natural no treatment.

100% money back if not happy. 

We sell rough and cut gemstones, offering a wide range of rough gemstones for specimen-cabbing-facet and beautiful cut stones ready for your mount..Either for a new piece of jewelry or replacing a stone in an existing piece of jewelry.We offer thousands of lots, all with individual photos, what you see in the photo is what you will receive. Tommysrocks, an internet only business since 2002, giving our internet customers 100% of our attention.

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:vvs

 

 

 


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.

Moh’s 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.