Botswana Agate 7x8mm Faceted Round Nugget - 15-16 Inch doorbusters-2024-CM The shell is often found

The shell is often found naturally polished with a green or brown spiral on one side and a white "eye" on the other

Coral has been used in personal adornment since antiquity

although the colors are much more muted

but a combination of minerals

People have treated turquoise for centuries using various treatment methods

Botswana Agate 7x8mm Faceted Round Nugget - 15-16 Inch doorbusters-2024-CM The shell is often foundBotswana 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.