CMT157 Cold Mountain Thunderegg Specimen Aquamarine This is a polished specimen

This is a polished specimen featuring foggy blue and red coloring with white bands

This polished slab features golden yellow and cream

See Sodalite

From Kerrouchen

2" diameter

CMT157 Cold Mountain Thunderegg Specimen Aquamarine This is a polished specimenA polished specimen featuring reddish brown, dusty peach tan, and translucent, blue gray chalcedony filling the thunderegg fracture pattern. 3" x 4. 5" x 2. 25" 1 lb 1. 1 oz 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 thunderegg nature, Cold Mountain Thundereggs are highly silicate and feature large amounts