Mining» Precious Stones' Information »

Zircon

Description :

What is zircon?

Zircon is given name after a component "zirconium" there in its chemical composition. On the other hand, according to a small number of pioneers in gem job, the name of this gemstone is also derivative from Persian word "zargun" which means gold-colored. In both the cases the origins match the given name of the stone extremely well. It is one of the old gemstones. One stone endure for millions of years.

Zircon properties:

Chemical Composition: ZrSiO4.
Streak: White
Refractive Index: 1.92 - 2.01
Specific Gravity: 4.6-4.7
Luster: Adamantine
Solid State: Transparent to translucent.
Crystal System: Tetragonal crystal system
Hardness: 7.5 Mohs.
Pleochroism: Weak
Fractures: Conchoidal to uneven.
Bi-refringence: 0.036-0.065
Luminescence: Fluorescent and radioactive.
Dispersion: Strong
Tenacity: Brittle
Enhancement: It is enhanced.

Physical Properties :

Color

It is found in diverse colors like brown, red, yellow, gray, green, blue, black and colorless. It takes place in dissimilar colors due to alteration in the impurities in the chemical composition like black and brown color come into view because of the existence of iron oxide contamination.

Clarity

It contains adamantine luster and is transparent to translucent in nature. This unique stone is rich in inclusions and flaws. Few stones are found clean as well but such stones occur rarely.

Cut

Cutting is not simple for this gemstone as it is found in minute sizes. Though, with the technology development, it can be cut luminously. The shears make all the ordinary shape and cuts like round, pear, heart, oval, marquise etc.

Carat weight

Being a weighty gemstone it come out minute when measure up to with other gemstones of identical carat weight. It takes place in tiny crystal form. Huge sizes are very exceptional. Jewelry items like rings, bracelets, earrings, bangles and pendants can use stone between 2-4 carat weights.

Natural Occurrence :

Seiland, Germany, Norway, Pakistan, Russia, Bancroft, Sudbury, Canada, United States, Sri Lanka (Ceylon), Thailand, Myanmar (Burma), Cambodia, Vietnam, Kampuchea, Australia, Brazil, Nigeria, Tanzania and France

Available Colors :

Brown, red, yellow, gray, green, blue, black and colorless.