Northwest Treasures ~ NorthwestRockAndFossil.com ~ firstname.lastname@example.org ~ 425-488-6848
This thunder egg half is 3 3/4″ x 3″. This type of thunder egg is known as a moss thunder egg, which means that there are inclusions of lava within the agate that give it a mossy look. From the Richardson Ranch in Oregon. It is polished to a glassy shine.
As a *BONUS* we will include our explanation for these very unusual formations.
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