These fossil stromatolites date back to the middle Devonian (Givetian) and are about 385 million years old.
The fossil was found in the Orkney Islands of Scotland - Yasnaby Sandstone Group.
The stone is unbroken, it is solid and very stabile. It measures about 10 x 9 x 5,5 cm. One side was cut and polished to be able to look into the interior of these strange creatures. The other sides are natural.
Unusual and rarely offered fossil - we are able to organize larger pieces on request.
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