Historical Reading: Baltic Amber
Amber has been found in various parts of the world, but the main historical source is the land that surrounds the Baltic Sea.
Characterization of “Green Amber” With Infrared and Nuclear Magnetic Resonance Spectroscopy
A peridot-like bright greenish yellow to green gem material called “green amber” has recently appeared in the gem market.
Abstracts; Winter 2009
This article, from the Winter 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.