Cacoxenite Large Hole 10mm Round - 8-inch 15-16" once spewed through fractures in

once spewed through fractures in the planetary crust or from a volcanic eruption

It has been mistaken for ruby and sapphire at times

its oldest known use being in Egypt more than five thousand years ago

also known as Calligraphy Stone or Miriam Stone

It occurs in bright turquoise blues and darker blues as well as rust reds

Cacoxenite Large Hole 10mm Round - 8-inch 15-16" once spewed through fractures inCacoxenite 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.