Botswana Agate 16mm A Grade Coin Cabochon Shape_Cross blue or gray

blue or gray

Yellow Opal is transparent to opaque

and Rutile as well

Mined in: Madagascar

as well as its iridescent sparkle

Botswana Agate 16mm A Grade Coin Cabochon Shape_Cross blue or grayBotswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth. This lava rolled across the landscape, depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate. Sold individually. These cabochons are all unique and vary