Onyx is a cryptocrystalline form of quartz. The description of the stone is striped, semiprecious variety of the silica mineral Agate with white and black alternating bands.
Today, Onyx is used in construction to create special look and elements using its rare look and colors.
Many architects and designers use the Onyx to emphasize specific parts of the project.
Due to its layers the Onyx can be cut to show colors contrast between the design and the background.


Interior walls, Bars, Counter tops, unique floors, special design and more.

Finishes Available


Quarries location in the world

Italy, India, South Asia and South America


Interior walls/floors, special applications

Cold Weather

Not recommended for exterior use.

Carving & Special elements


JGSW Projects:

  • Radisson Hotel – Bucharest, Romania
  • Le Provencal - Cap De Antibes, France
  • Plaza Hotel – Manhattan, NY

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