Cacoxenite 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch R0382 Yellow Opal does not display

Yellow Opal does not display the changeable flash of internal luster that other opals are known for

An orthoproxene mineral

Pink Tourmaline ranges in color from light pink to deep magenta

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

Iolite most commonly occurs in shades of blue-gray

Cacoxenite 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch R0382 Yellow Opal does not displayCacoxenite 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.