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File:Amygdaloidal andesite.jpg

Summary

Español: Un ejemplo de andesita con vesículas amigdaloidales delideadas por zeolita.

Photographer: Siim Sepp

Date of the creation: 25th April, 2005.

Diameter is 8 cm.

Description: dark groundmass is andesite. Amygdaloidal structure, vesicules are filled with zeolite.

Rock sample belongs to the University of Tartu.

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