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#GEOD25 Thunderegg from Oregon Blue Agate fields

$149.00 $125.00

1 in stock

Description

This is a beautiful natural unpolished thunderegg from Oregon Blue Agate fields.

Formed millions of years ago, a thunderegg (or thunder egg) is a nodule-like rock, similar to a filled geode, that is formed within rhyolitic volcanic ash layers. They usually contain centres of chalcedony which may have been fractured followed by deposition of agate, jasper or opal, either uniquely or in combination. Also frequently encountered are quartz and gypsum crystals, as well as various other mineral growths and inclusions. The size can vary from an inch and less to over three feet in diameter (1 m).

The Thunderegg was believed by the Pacific Northwest Native Americans to be thunderous rock eggs thrown across the valley between two mountains (specifically Mount Hood and Mount Jefferson in Oregon) by the warring Thunder Gods whenever they became angry with or jealous of each other.

Weight: 3 lbs 2.625 oz

Size: 6 in x 6 in x 2 in thick

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