White Howlite 14x18mm Dove - 15-16 Inch Black Line Agate Australian Green Opal is a

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite

Origin: Madagascar

Andalusite is increasingly rare to find in bead form

Sometimes called the "Black Prince's Ruby" for its role in the English crown

” owing to its red appearance when sliced thinly or powdered

White Howlite 14x18mm Dove - 15-16 Inch Black Line Agate Australian Green Opal is aWhite Howlite is named for Canadian mineralogist Henry How, who first discovered the stone in Southern California in 1868. It is typically white or light gray with gray, black or brown veins running through it in web to like patterns. Because of its softness, Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise.