BST123pr Blue Star Thunderegg Specimen Pair Lapis with peach shades near the

with peach shades near the top edge

and hints of red beneath

This crystal is from Brazil

This specimen is a polished slab

but the stones could also include Garnet

BST123pr Blue Star Thunderegg Specimen Pair Lapis with peach shades near theThese 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