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Dwarves' Earth Treasures Museum:
Mont Lyall Thundereggs
Mont Lyall, Sainte-Anne-des-Monts, Quebec, Canada
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    What are found at the "Agate Mine" of Mont Lyall, Quebec may be most eastern thundereggs found in North America so far and it is amazing that the thunderegg site managed to escape hundreds of million years of erosion. But even so, time have taken a heavy toll on the thundereggs themselves where almost all of them are fractured. The miners have opened a mine on the thunderegg site, and went after the large thundereggs, ignoring the smaller thundereggs. Now it's made as a collecting fee site for the tourists.  The agate are typically white possibly due to their colors being leeched away due to so many years of weathering, but red, orange, peach and tan colors can be found in some specimens.

YOU CAN CLICK ON THE PICTURES TO SEE LARGER PICTURES

Rough Appearance: Ivory colored thundereggs with ridges sometimes with white agate showing through.

Special thanks to John Walkers for those thundereggs!

Rare orangish agate Outstanding specimen in spite of fractures.
Typical thundereggs with white agate and lots of fractures
Brecciated green opal/jasper layer