Botswana Agate 7x8mm Faceted Round Nugget - 15-16 Inch doorbusters-2024-CM Coral has been used in

Coral has been used in personal adornment since antiquity

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

but can also appear silver

among other numerous names

with occasional inclusions of creamy white and dark grey

Botswana Agate 7x8mm Faceted Round Nugget - 15-16 Inch doorbusters-2024-CM Coral has been used inBotswana 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.