BST121pr Blue Star Thunderegg Specimen Pair Tabasco Geodes and gray jasper for the

and gray jasper for the surrounding frame

Hardness of about 2

some filled with pale yellow calcite

This is a polished specimen featuring yellow agate with a crystal ring

and six sides coming to a terminated point

BST121pr Blue Star Thunderegg Specimen Pair Tabasco Geodes and gray jasper for theThese polished halves of a large Blue Star Thunderegg show two sections of open chalcedony cavities coated in sparkling crystal druzy, surrounded by translucent agate with pale blue feathery banding. The rest of the egg is made from gray and brown rhyolite, with patterning similar to petrified wood that radiates outward from the agate. The chalcedony shows green fluorescence under 365nm ultraviolet light. Polished Surface: 12. 2cm x 7. 4cm and 12. 2cm