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4.43 in Red + Blue Turkish Stick Agate Thunderegg

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4.43 in Red + Blue Turkish Stick Agate Thunderegg
$120.00

Availability: Out of stock

Thunderegg Agate

Chubuk (North of Ankara), Turkey

Nodule : 4.43 in x 4.18 in

1 in = 2.54 cm / 1 cm = 0.39 in

A large stick agate nodule from the northern Ankara region of Turkey, this specimen shows great blue agate and black hints among the pseudomorphs of zeolites!

A wonderful spray of zeolites is visible on the bottom of the specimen window!

Complete nodules like these are rarely offered and are typically cut or slabbed to make jewelry or other lapidary material.
Description

Details

Turkey is famous for the agates discovered there, many containing “stick agate” pseudomorphs (calcite and zeolite) inclusions. Found amongst the mountain hillsides and streams, many of these nodules have moss growing on them.

The zeolites had grown in the thunderegg cavities first, before being replaced and preserved by agate secondarily.

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