Thomsonite-Ca-55547

Autor:

Robert M. Lavinsky

Shortlink:

https://czwiki.cz/b/2c391

Zdroj:

Wikimedia Commons

Formát:

554 x 445 Pixel (54805 Bytes)

Popis:

Thomsonite-Ca

Locality: Thomsonite Beach, Grand Marais, Cook County, Minnesota, USA (Locality at mindat.org)

A STRIKING buffed specimen of a 1.6 cm, banded, birds-eye, thomsonite-lintonite nodule nicely set in amygdaloidal matrix from the Grand Marais on the North Shore of Lake Superior, Minnesota. Thomsonite and lintonite are zeolites. Ex Richard Hauck Collection. 4.4 x 3.0 x 2.4 cm

Licence:

CC BY-SA 3.0

Credit:

http://www.mindat.org/photo-55547.html

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