Spinel: a gemstone on the rise
Author(s) : -
Date : 2010
Talk given by Dr. Michael Krzemnicki in Hong Kong in 2010 about spinel, a gemstone increasingly in vogue. History, sources, origin determations, synthetics and treatments.
Talk given by Dr. Michael Krzemnicki in Hong Kong in 2010 about spinel, a gemstone increasingly in vogue. History, sources, origin determations, synthetics and treatments.