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Nanocrystal is glass-ceramic material developed in the 1970’s. Nanocrystal can simulate most gem materials and comes in a variety of colors and transparencies.

Nanocrystal Polished
Nanocrystal Classification
Common Name Nanocrystal
Species Glass
Nanocrystal Optical Properties
Transparency Opaque-Transparent
Dispersion Value: 0.015
Refractive Index 1.621-1.700 Tolerance: Typical 1.621 Blue, 1.629 Green
Polariscope Reaction Aggregate (AGG)
Fluorescence SWUV: Inert
LWUV: Inert
Pleochroism None
Nanocrystal Characteristic Physical Properties
Toughness Good
Inclusions Some times the stones have a milky appearance do to pinpoint inclusions.
Luster Vitreous
Fracture Conchoidal
Cleavage None
Nanocrystal Chemistry & Crystallography
Crystal System NA

Nanocrystal Colors

  • Pink Nanocrystal Pink
  • Yellow Nanocrystal Yellow
  • White Nanocrystal White
  • Red Nanocrystal Red
  • Purple Nanocrystal Purple
  • Pink Nanocrystal Pink
  • Orange Nanocrystal Orange
  • Multi-color Nanocrystal Multi-color
  • Green Nanocrystal Green
  • Gray Nanocrystal Gray
  • Colorless Nanocrystal Colorless
  • Brown Nanocrystal Brown
  • Blue Nanocrystal Blue
  • Black Nanocrystal Black
  • Bi-color Nanocrystal Bi-color

Alternate Names

Ceramic Glass, Nanogems, Nanosital

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Tim Matthews


Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.