BST110pr Blue Star Thunderegg Specimen Pair Copper creating a boulder for the

creating a boulder for the tree to stand on

featuring repeated egg patterning and horizontal bands

The frame is built from solid Black Onyx and Petrified Wood

This is a specimen featuring pink and cream agate with a druzy pocket center

BST110pr Blue Star Thunderegg Specimen Pair Copper creating a boulder for theThese polished halves of a Blue Star Thunderegg show two fused open cavities revealing botryoidal chalcedony formations coated in sparkling druzy, inside brecciated brown and gray rhyolite and translucent to pale blue gray chalcedony with hints of peach inclusions. The chalcedony shows green fluorescence under 365nm ultraviolet light. Polished Surface: 9cm x 7. 5cm and 9. 2cm x 7. 5cm Approx. 1" and 1. 25" deep 1lb 0. 5oz Blue Star Thundereggs are a