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

Great item for gift shops

and the whole cube in matrix is approximately 5 - 6 oz

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