Loose Colombian Emerald cabochon for sale 2.2 cts 13x7x4mm p237

Colombian Emerald loose cabochon genuine natural  2.2 cts 13x7x4mm p237

  glowing gems - treasured and coveted for hundreds of years. Emeralds are found in deposits in several places around the world, but Colombian emeralds are prized for their transparency, crystallization and fire. Emeralds range in color from a slightly light, yellowish green, to a deep, dark bluish green. The darker green color is generally considered more desirable and the natural mineral inclusions, or flaws, add to the stone's character.

In addition to their beauty, emeralds are believed to increase intelligence, protect marriages, ease childbirth and thought to enable its wearer to predict events. Cleopatra, among others, believed in their magical fascination and the lore surrounding this gemstone.

 

 

 

THIS GEMSTONE IS GRADED:  S I 1

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

Treatments: Aquamarine is usually heat treated to remove the greenish cast.  Morganite may be heat treated to change the peachy coloring to pink and may also be irradiated.  Bixbite and heliodor may be heat treated and irradiated.  Goshenite may be heat treated.  Emerald is almost always treated with some filling agent to reduce the visibility of inclusions.  These treatments are controversial and there is no consensus as to which treatment, if any, is appropriate.

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.

 

 

Mystical Properties:
Emerald is a stone of love and romance. It brings and enhances joy, cleansing, clairvoyance, memory, and faith. It also benefits intuition and communication, and promotes truthfulness. Emerald is associated with the heart chakra.
The emerald is the sacred stone of the goddess Venus. It was thought to preserve love. The emerald has long been the symbol of hope. It is considered by many to be the stone of prophecy. For some the emerald acts as a tranquilizer for a troubled mind. The emerald is said to bring the wearer reason and wisdom. The strongest time for the powers of the emerald is said to be spring.

Lucky for love, give your lover an emerald to stay faithful.

In several cultures the emerald was the symbol for fertilizing rain. In the Christian faith it is the symbol of faith and hope.

Healing Properties:
Emeralds are known to heal both the phys