Some interesting things to read and look at | |||||
Re: Turquoise lesson number one -- lopacki | Post Reply | Edit | Forum | Where am I? |
The Image search, with all sorts of intriguing links to follow:
https://www.google.com/search?q=gemological+institute+turquoise+identification&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=xTJRVN3bI5axogS03YC4BQ&ved=0CEcQsAQ
GIA report on untreated turquoise with human fingerprints:
http://www.gia.edu/gems-gemology/FA13-LN-fingerprint-pattern-turquoise
A flyover of common gem treatments - includes some interesting coral photos as well
http://www.gia.edu/gem-treatment