https://spiritrockshop.com/product/lucky-strike-mine-thunderegg-polished-half-9/
Lucky Strike Mine Thunderegg Polished Half #9 - Spirit Rock Shop
Mar 1, 2025 - Excellent Specimen of an Ochoco Mountains, Lucky Strike Mine, Thunderegg (Lithophysae). This special large Thunder egg has a milky agate window fill in grey...
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