home / agates worldwide / Asia / Japan / Ishikawa / Naya

In the region of Naya, there are occurrences of Thunderegg (Lithophysae) which have a brownish shell and bluish grey to black agate in its interior. Also gravitational secluded agate ("Uruguay agate") occurs, which is then usually gray and white banded.Mossy agate-like inclusions are rare.


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