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Radium Springs Thundereggs
Radium Springs, Dona Ana County, New Mexico

   Mined by Paul Calburn, the thundereggs tend to come in large sizes but mostly with narrow agate cores that the cuts have to be made along the agate core to get large faces. The agates are usually colorless with bluish and reddish tints and few have banded features. There had been reports of some specimens with marcasite inclusions.

Site Status: As of Jan 2022, the claim has supposedly expired/abandoned, BLM rules apply.

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Rough Appearance: Rough with bubbly surface, with a single or two ridges across it.
Yellow to gray shells when cut, usually in large sizes.

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Rare to get good and wider banded agates by
cutting across the agate core.
Cut through the narrow agate core
obtained thru trade

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