CMT157 Cold Mountain Thunderegg Specimen Aquamarine visible cell structure in silver

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

This specimen displays brown

These Mooka Jasper candle holders have natural fractured edges

See Sodalite

This polished slab features golden yellow and cream

CMT157 Cold Mountain Thunderegg Specimen Aquamarine visible cell structure in silverA 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