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Blue Zircon 1.60 ct

Availability: In stock

$40.00

This oval light Blue Zircon from Ratanakiri, Cambodia weights 1.60 carats and the dimensions are 6.0 x 5.5 x 4.8 mm. This Blue Zircon has been given the clarity class 'Eye Clean' and is priced at only 40 USD (25$ / CT). It has undergone heat treatment to improve the color, which is an acceptable treatment in the industry.

General Mineral Informations
 Mineral:  Zircon
 Mohs Hardness:  7.5
 Specific Gravity:  4.6-4.8
 Refractive Index:  1.925–1.961

Blue Zircon 1.60 ct

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Additional Information

Type Facet
Carat 1.6
Measurements in mm 6.0 x 5.5 x 4.8
Clarity Class Eye Clean
Treatment Heat treatment
Shape Oval
Origin Cambodia

Informations

Blue Zircon is solely mined in Cambodia in the north eastern region Ratanakiri. When mined the stones are dark orange or red colored as the soil in which they are found. The specimens are then heat treated for several hours. After treatment the color ranges from slightly greenish blue till an intense petrol blue.

Due to the high density of 4.6 - 4.7 Zircons are one of the heaviest gemstones and therefore look smaller than most other gems of the same weight. The very high refractive index of 1.81 – 2.024 gives the blue Zircon the diamond like brilliance.

 

Clarity Classes

 

Loupe Clean   Under 10x magnification are no inclusions visible. Very Slightly Included   Within the gem are small inclusions that are visible on close  examination.
Almost Loupe Clean   Small inclusions are visible using a 10x magnification  loupe Slightly Included   SmallInclusions are visible without close inspection.
Eye Clean   Inclusions are not visible to the naked eye. Moderately Included   In the gemstone are larger inclusions that are easily visible.
Almost Eye Clean   Inclusions in the gem are difficult to detect with the naked  eye. Included   In the gem are many visible inclusions.