BST123pr Blue Star Thunderegg Specimen Pair From South America Set of 5 Golden Imperial

Set of 5 Golden Imperial Topaz crystals in translucent golden yellow and orange

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The history of Lake Superior's formation and how it relates to agates

(Width x Height) 30mm x 39mm

This material is smaller in size averaging 0

BST123pr Blue Star Thunderegg Specimen Pair From South America Set of 5 Golden ImperialThese 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