Botswana Agate 10mm Round - Large Hole Beads Bicone Formed deep underground during the

Formed deep underground during the cooling of magma

gray and purple

but can also appear silver

they each have a beautiful look and shape

most natural topaz is colorless

Botswana Agate 10mm Round - Large Hole Beads Bicone Formed deep underground during theBotswana 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.