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Owyhee River Thundereggs
Once again - possibly a border-straddling location as i have seen them listed as both Idaho and Oregon. In the case of the eggs below, the tag specified Idaho, so i welcome a new state to the gallery with pleasure.
Or perhaps i should say locationS, as these three eggs could hardly be more different. Owyhee River blue opal is famous and valuable, and i think some examples of this are included below. Sadly most blue opal seems to end up as pieces of opal for lapidary and I haven't seen many actual thundereggs on offer. One seller with an uncut thunderegg on sale recommended hammering it to separate the opal from the matrix - which made me cringe! I don't care HOW valuable the opal is! I want it as a thunderegg, not a heap of blue pebbles!
