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6 mm, Colorless White Topaz Round Cut

Price :
$4.80

  • SKU : 3651
  • Products Carat Weight : 0.87 Ave Carat Weight (ACW)
  • Units in Stock : 32

Description

0.87 Cts of White Topaz in a Round Cut

6 mm,Colorless White Topaz-Round Cut

Gorgeous clean white sparkling rounds!

 

  • Dealer Offering Item for Sale: New Directions - Gems

     

     

    In antiquity all yellow and brown gemstones, even green ones were called "Topaz". The name most probably derived from a the name of an island in Red Sea, now Zebirget, formerly Topazos. The most Valuable is pink and blue. Topaz color usually is often enhanced by the process of heating or radiation to obtain a desired color. The dark blue topaz stones that have been processed through a treatment called “London blue topaz” whereas blue was called “Swiss blue topaz” and light blue are called “Sky blue topaz”.

    Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F, OH)2. Topaz crystallizes in the orthorhombic system

    Topaz stone became one of the excellent precious stone that targeted by collectors. It can be seen from the growing popularity and the increasing of sales charts around the world.

    While blue topaz does exist in nature the vast majority of the popular Blue Topaz sold around the world has been 'treated' in one way or another. To get the classic Swiss Blue or London Blue, the untreated usually colorless gemstone is first exposed to radiation and then heated. The valuable Imperial Topaz is not usually treated although some stones with a pink shade can be heated to enhance the vividness of the pink. Some Topaz gemstones such as Mystic or Azotic are enhanced with a thin coating to give rainbow color effects. The NRC requires all irradiated gemstones to be stored in a secure facility after treatment. While in storage, the gemstones must be monitored until their residual radiation declines to a level that they are safe for use in jewelry. This procedure assures the safety of blue topaz treated within the United States.

    The largest Topaz producer is Brazil. Other sources are in Pakistan, Afghanistan, India, China, Burma (Myanmar), Sri Lanka, Japan, Russia, Ukraine, Australia, Madagascar, Namibia, Nigeria, Zimbabwe, Mexico, and the U.S. (California, Utah, and New Hampshire).

  • Topaz Specifications:
    • Gem Species: Silicate Mineral
    • Hardness: 8 -
    • Density: 3490
    • RI: 1.619 - 1.627
  • Size: 6 (D) mm
  • Cut: Round
  • Calibrated Gemstone: Yes
  • Carat Weight: 0.87 Carats Ave
  • Overall Grade: AAA-
  • Clarity Description: IF - Internally Flawless: Free on inclusions under 10x magnification.
  • Clarity Breakdown: Loupe clean meaning that no inclusions are seen using 10x magnification.
  • Cutting Breakdown: Brilliance with a precision cut. Stone has equal and symmetrical faceting with proper cutting angles "critical angle"
  • Carat Breakdown: Average in Carat Weight for this size stone (+/- 5%).
  • Photo Clarity Breakdown: Color is Excellent & True, Image is Sharp, & Background is True.
  • Photo Shows Numerous views of gemstone.
  • Photo Taken with Flash.
  • Photo Shows Multiple Gemstones in Storage Box
  • Pricing based on a Single Gemstone.
  • Note: Photo of gemstone was taken in there storage Plastic Box with cotton and Tweezers.
  • We grade each gemstone for Color, Clarity, cut, and Carat weight. We try to define / analysis each gemstone and photo taken (all photo are of the gemstone itself not a general stone photo) to help you make a better decision.
  • These photos are intended to provide you with an accurate visual representation of the gem.
  • We grade each gemstone for Color, Clarity, cut, and Carat weight. We try to define / analysis each gemstone and photo taken (all photo are of the gemstone itself not a general stone photo) to help you make a better decision.
  • These photos are intended to provide you with an accurate visual representation of the gem.
  • Photo's taken with a macro lens, which may make the gemstone look larger in some views..
  • Combining of views also may make gemstone look different sizes.
  • All photos are the exactly the gemstone pictured, minus any display items. Photos are likely not actual size; please see item description for dimensions. If there is a defect not discernible in the pictures, it will be included in the text. , Please keep in mind that the prismatic reflective properties of gems will often produce varying degrees of color and what colors you see, someone else may not. If there is a concern or doubt, please ask prior to purchase. Remember that color is a very tricky thing to transmit electronically. There are many variables, including lighting, background, physical filters, digital filters, the capabilities of the monitor on which the image is displayed, and the color perception of the viewer.
  • Click on the photo to enlarge photo for better detail.
  • Check out the mult views of the gemstones..


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