Sutas Singbamroong, October 17, 2013
Natural amber beads were found to have been filled with plastic and a variety of insects.
Read MoreJie Liang, Haibo Li, Taijin Lu, Meidong Shen, and Jun Zhang, January 31, 2014
This 9.12 gram amber composite featured a combination of natural and imitation amber, accompanied by natural and artificial insect inclusions.
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