Monarch opal
A commercial name for a man-made opal, with the official name Sterling Opal. Names like Monarch, Galaxy, Monet or Exodus opal are commercial names referring…
Tag: opal
Opal
Opal is a natural hydrated silica with the chemical formula SiOâ‚‚ – nHâ‚‚O and belongs to the mineraloids – substances that have much in common…
Andean opal (blue and pink)
Commercial name for “common” opal originating in the Andes, specifically Peru. Therefore also called Peruvian (blue/pink) opal. Available in the natural colors pink and blue.…
Andamooka (matrix) opal
Andamooka (South Australia) is known for its light-colored opal, sometimes referred to as milk opal. Andamooka opal is also common as a mixture of the…
Gilson opal
A name for a synthetic man-made opal designed to mimic the appearance of natural precious opal as good as possible. Gilson opal was developed by…
