Cacoxenite 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch Faceted A Grade Historically Opal was renowned as

Historically Opal was renowned as the “Queen of Gems” for its desirability and beauty

The colors

but has been used historically to describe the transparent variety

It is often thought of as an all to black stone

pale green or copper red

Cacoxenite 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch Faceted A Grade Historically Opal was renowned asCacoxenite is the trade name for this naturally occurring blend of seven stone types. It was originally named for the visible inclusions of the mineral Cacoxenite. However, this stone, often called the "Super Seven" or "Melody Stone" contains Amethyst, Clear Quartz, Smoky Quartz, Lepidocrosite, Goethite, and Rutile as well.