Botswana Agate 10mm Round - 8-Inch Tear Drop Diamond Cut Natural topaz colors include rare

Natural topaz colors include rare and valuable yellow

is aptly named for its shades of gold

It is a natural glass made up of pure silica

Common Opal is generally opaque

Botswana Agate 10mm Round - 8-Inch Tear Drop Diamond Cut Natural topaz colors include rareBotswana 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.