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Amber and plastic reactions to illumination.
Plastic Amber Imitation in a Rosary

Nazar Ahmed Ambalathveettil, Mohamed Karam, and Sutas Singbamroong, May 8, 2017

Examination reveals both amber and Bakelite plastic beads in a rosary submitted for identification.

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IMG - WN13 GNI 157772 300x169
Composite amber with an unusual structure

Jie 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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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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