CMT174pr Cold Mountain Thunderegg Specimen Pair Kowallabe gemmy mineral found in Brazil

gemmy mineral found in Brazil

5" x 2" x 2"

A drill mark from the mining process is visible on the back

It features white spherulites (orbs) in sage green chalcedony

showing strong parallax throughout

CMT174pr Cold Mountain Thunderegg Specimen Pair Kowallabe gemmy mineral found in BrazilA polished Cold Mountain Thunderegg specimen pair featuring muted shades of red, orange, pink, and tan jasper with fused cracks of translucent chalcedony. Polished faces: 8. 4cm x 6. 5cm and 8. 3cm x 6. 4cm Approx. 1. 25" & 1. 5" deep 1lb 1. 7oz together Cold Mountain Thundereggs are from the Sierra Mountains in Mexico. The thundereggs can contain water banding and feature red, mauve, or black webbing. While technically a rhyolite due to its