Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Experimental Studies on the Heat Treatment of Baltic Amber
Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewellery market.
Amber with Insect-Bearing Filling
Natural amber beads were found to have been filled with plastic and a variety of insects.
Testing identifies a new treatment method as the cause of colour in beeswax amber.