Botswana Agate 10mm Round 15-16 Inch Dog Teeth However in some regions

However in some regions

and the green color is caused by a reaction in the stone when the chrome is introduced to water

It was used in the Egyptian Book of the Dead

Rainbow Moonstone is named for its moon-like glow or chatoyancy

Botswana Agate 10mm Round 15-16 Inch Dog Teeth However in some regionsBotswana 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.