CMT157 Cold Mountain Thunderegg Specimen Aquamarine See Sodalite

See Sodalite

2" diameter

visible cell structure in silver on an 18" Italian silver chain

From Kerrouchen

and the copper forms solidify in the cool water

CMT157 Cold Mountain Thunderegg Specimen Aquamarine See SodaliteA 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