The Innovations of Cubic Zirconia Stones:
In recent years manufacturers have sought ways of distinguishing their product by supposedly “improving” cubic zirconia. Coating finished Cubic Zirconia Stones in a film of diamond-like carbon (DLC) or Amorphous Diamond is one such innovation, a process using chemical vapor deposition. The resulting material is purportedly harder, more lustrous and more like diamond overall: The coating is thought to quench the excess fire of CZ Stones, while improving its refractive index, thus bringing it more in line with diamond. Additionally, because of the high percentage of diamond bonds in the amorphous diamond coating, the finished simulant will show a positive diamond signature under Raman spectroscopy.
Another technique first applied to quartz and topaz has also been adapted to Loose cubic zirconia Stones: Vacuum-sputtering an extremely thin layer of metal oxide (typically gold) onto the finished stones creates an iridescent effect. This material is marketed as “mystic” by many dealers. Unlike DLC, the surreal effect is not permanent, as abrasion easily removes the oxide layer.
In recent years manufacturers have sought ways of distinguishing their product by supposedly “improving” cubic zirconia. Coating finished Cubic Zirconia Stones in a film of diamond-like carbon (DLC) or Amorphous Diamond is one such innovation, a process using chemical vapor deposition. The resulting material is purportedly harder, more lustrous and more like diamond overall: The coating is thought to quench the excess fire of CZ Stones, while improving its refractive index, thus bringing it more in line with diamond. Additionally, because of the high percentage of diamond bonds in the amorphous diamond coating, the finished simulant will show a positive diamond signature under Raman spectroscopy.
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Another technique first applied to quartz and topaz has also been adapted to Loose cubic zirconia Stones: Vacuum-sputtering an extremely thin layer of metal oxide (typically gold) onto the finished stones creates an iridescent effect. This material is marketed as “mystic” by many dealers. Unlike DLC, the surreal effect is not permanent, as abrasion easily removes the oxide layer.
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