BST121pr Blue Star Thunderegg Specimen Pair Black Tourmaline the jasper can be shades

the jasper can be shades of deep green and blue

This polished specimen features translucent

Typical size ranges from about 1 to 7 lb pieces

Available as a pair

This small nodule could have been part of a larger piece

BST121pr Blue Star Thunderegg Specimen Pair Black Tourmaline the jasper can be shadesThese 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