BST104pr Blue Star Thunderegg Specimen Pair Cold Mountain Thunderegg the rocks and landforms of

the rocks and landforms of Wisconsin reveal a captivating geologic story that spans 2

with some beige or brown host inclusions

This one-of-a-kind handcrafted Lapidary Art piece features Madagascar Misty Mountain Landscape Jasper

fill the area beneath pseudomorph formations of previous calcite crystals

Stone: 21mm x 43mm

BST104pr Blue Star Thunderegg Specimen Pair Cold Mountain Thunderegg the rocks and landforms ofThese polished halves of a Blue Star Thunderegg show cavities with botryoidal chalcedony coated in sparkling crystal druzy, inside feathery banded agate in clear to pale blue hues. The rest of the egg is made up of brown rhyolite surrounding the agate and chalcedony, with a few distinct star points extending to the edges. The chalcedony shows green fluorescence under 365nm ultraviolet light. Polished Surface: 8. 3cm x 5. 2cm and 8. 4cm x 5. 4cm