Agate
 
Origin: Chihuahua, Mexico
 
Size: 76 mm x 75 mm
 
An beautiful Agate with a Chalcedony geode. These beautiful agates, Also known as Coconut Geodes emits a lovely minty green colour under short-wave UV light.
 
Agate is a cryptocrystalline variety of Quartz, a name given to varieties of banded Chalcedony.