BST123pr Blue Star Thunderegg Specimen Pair Lapis This specimen is a polished

This specimen is a polished slab

This is a polished specimen featuring yellow agate with a large white and black druzy filled vugg

featuring translucent agate with plumage in white

8 cm x 6 cm

This natural piece of Variscite has a pretty mint green color with chalky matrix on the outer surface

BST123pr Blue Star Thunderegg Specimen Pair Lapis This specimen is a polishedThese polished halves of a large Blue Star Thunderegg show an open cavity revealing botryoidal chalcedony formations covered in sparkling crystal druzy. Outlining the cavity is translucent agate with white and pale blue feathery bands, inside gray and brown rhyolite with patterning similar to petrified wood. The chalcedony shows green fluorescence under 365nm ultraviolet light. Polished Surface: 13. 5cm x 8. 4cm and 14. 7cm x 8. 4cm Approx. 2. 25" and