Astrophyllite 8mm Round - 15-16 Inch 20211005 The Sleeping Beauty mine ceased

The Sleeping Beauty mine ceased producing Turquoise in 2012

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

gray and black

orange and rust are due to traces of hematite within the stone

It was popular with the Greeks and Romans

Astrophyllite 8mm Round - 15-16 Inch 20211005 The Sleeping Beauty mine ceasedAstrophyllite is a very rare, brown to golden yellow hydrous potassium iron titanium silicate mineral. Astrophyllite gets its name from the Greek words astron meaning "star" and phyllon meaning "leaf". The mineral is heavy, soft and fragile, and was first discovered in 1854 in Norway.