CMT152 Cold Mountain Thunderegg Specimen Peach Mine The rock is wet in

The rock is wet in the main picture and dry in the secondary picture

50mm x 21mm

One standup mound in Rose Quartz

each entry combines a precise description with annotated photography to highlight a fossil's chief characteristics and distinguishing features

CMT152 Cold Mountain Thunderegg Specimen Peach Mine The rock is wet inThis polished specimen displays tan, yellow, reddish brown, and blue gray, with four different sections of chalcedony with swirly banding. 5" x 3. 25" x 1. 5" 11 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 of