Cacoxenite 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Faceted Rounds The two most popular classes

The two most popular classes of Australian Opal are Black Opal mined in Lightning Ridge and Fire Opal

It can even exhibit various colors within the same specimen

Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting

Blue Peruvian Opal naturally occurs with swirling patterns of deep blues

is aptly named for its shades of gold

Cacoxenite 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Faceted Rounds The two most popular classesCacoxenite 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.