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Contact: Karl-Heinz Küfer
karl-heinz.kuefer@itwm.fraunhofer.de
49-631-316-004-491
Fraunhofer-Gesellschaft
Caption: The uncut gemstones are covered with a thin coat of paint so that their surface can be mapped.
Credit: Fraunhofer ITWM
Usage Restrictions: The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned.
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