Astrophyllite 8mm Round - 15-16 Inch hps_11202025 Agate has been prized for

Agate has been prized for its beauty throughout history

have been used for yellowish gemstones for at least two thousand years

Malachite was used extensively as decoration in the palaces of Russian tsars and forms the columns of St

containing sodium

Common Opal is generally opaque

Astrophyllite 8mm Round - 15-16 Inch hps_11202025 Agate has been prized forAstrophyllite 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.