Astrophyllite 8mm Round - 15-16 Inch with a phenomenon that occurs when

a phenomenon that occurs when light hits the chips of silica inside the gemstone and a rainbow of different colors refract inside the stone

Agate has been discovered with artifacts from cultures of the Neolithic Period

milky white to pale yellow in color

These inclusions create black and brown spots that resemble the random patterns found on its namesake

Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain

Astrophyllite 8mm Round - 15-16 Inch with a phenomenon that occurs whenAstrophyllite 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.