Botswana Agate 10mm Round 15-16 Inch Agate10mm Black Spinel not only has

Black Spinel not only has the dark color

Brazilian Amazonite is an opaque blue-green to light green stone

Historically Opal was renowned as the “Queen of Gems” for its desirability and beauty

The blue color

commonly known as Limestone

Botswana Agate 10mm Round 15-16 Inch Agate10mm Black Spinel not only hasBotswana 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.