BST110pr Blue Star Thunderegg Specimen Pair Copper The frame is built from

The frame is built from solid Black Onyx and Petrified Wood

This polished specimen features a little section of quartz surrounded by complete banding in white and orange

The STEAM Guidebook helps you identify your Fossils and learn nifty facts

and red Laguna Lace Agate cabochon that is polished with a small druzy pocket and a rough bottom edge

BST110pr Blue Star Thunderegg Specimen Pair Copper The frame is built fromThese 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