Tematica Minerali e rocce

Elenco degli Stati (81)

Afghanistan (8)

Algeria (11)

Angola (7)

Argentina (8)

Australia (5)

Austria (1)

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China (Taiwan) (3)

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Croatia (3)

Cuba (3)

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French Southern and Antarctic Lands (27)

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Germany (1)

Germany (Est) (19)

Germany (West) (2)

Ghana (1)

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Spain (6)

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Zimbabwe (10)