River Pond: 3 books
by River Pond
Language: English
Release Date: February 22, 2018
Language: English
Release Date: February 22, 2018
Inclusions are one of the most diagnostic characteristics of gemstones assisting greatly in their identification. Specific inclusions can often indicate a gemstones geological occurrence, its country of origin, whether it is natural or has been synthetically or artificially made and if so by which...
Identification of Beryl
Brief Guide To The Identification of Beryl
Language: English
Release Date: September 25, 2017
Brief guide to the identification of Beryl and its varieties.
by River Pond
Language: English
Release Date: February 25, 2018
Language: English
Release Date: February 25, 2018
This booklet is a very brief guide to some of the instruments used by the gemmologist. It includes some practical hints and tips that will prove useful. It looks in particular at lighting methods for the microscope and how a refractometer works.