BST110pr Blue Star Thunderegg Specimen Pair from Russia 5 cm x 5 cm

5 cm x 5 cm

and is ridged

This special publication is from the celebration of The Gem Shop

and warm browns

This polished specimen features translucent blue-gray agate with banding in orange

BST110pr Blue Star Thunderegg Specimen Pair from Russia 5 cm x 5 cmThese 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