Amethyst 8mm Faceted Rondelle - 8-Inch Sonoran Gold Turquoise Yellow Opal does not display

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

As the name suggests

” referring to the patterns in the stone looking like broken

Rhyolite or Tuff

Amethyst 8mm Faceted Rondelle - 8-Inch Sonoran Gold Turquoise Yellow Opal does not displayAmethyst is a beautiful purple stone, known as a Gem of Fire by ancient cultures. It has been greatly sought after throughout history and was at times valued as highly as Diamond. Today, this semi to precious variety of quartz is found in many locations around the world. The presence of Manganese within the stone produces the purple hue, and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light