BST108pr Blue Star Thunderegg Specimen Pair Drilled Ammonites The slab is approximately 5mm

The slab is approximately 5mm thick

curved-edge

close to other picture jasper deposits like Blue Mountain and the famous Owyhee Jasper

Displays a iridescent glow with white coloring and black inclusions

BST108pr Blue Star Thunderegg Specimen Pair Drilled Ammonites The slab is approximately 5mmThese polished halves of a Blue Star Thunderegg show gray and brown rhyolite filled with translucent chalcedony and light blue agate with little hints of peach inclusions. It shows small open cavities coated in sparkling druzy and areas of dense patterning from brecciation. The chalcedony shows green fluorescence under 365nm ultraviolet light. Polished Surface: 10. 5cm x 6. 8cm and 10. 2cm x 7cm Approx. 1. 5" and 2" deep 1lb 7. 8oz Blue Star