Botswana Agate 15x20mm A Grade Oval Cabochon featured_06192025 The opening on the bail

The opening on the bail is about 4mm so it will accommodate a variety of stringing materials

Agate is one of many varieties of banded Chalcedony

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Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain

white or brown

Botswana Agate 15x20mm A Grade Oval Cabochon featured_06192025 The opening on the bailBotswana 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. Sold individually. These cabochons are all unique and vary