Tables of Gemstone Identification - Birgit Günther Bestseller Parallel measuring faces for consistent

Parallel measuring faces for consistent results

6 cm and 2

a Practical Guide contains over one hundred additional pages and includes three new chapters and one hundred nineteen new photographs

Burmese Jadeite 78

Advanced Electrostatic Capacitance Load Cell: Feather-touch sensitive for precise

Tables of Gemstone Identification - Birgit Günther Bestseller Parallel measuring faces for consistentMore than 25 years of international use have established these Tables as an effective tool in the identification of gemstones, synthetics and imitations and therefore the presentation and layout have remained unchanged. Nevertheless, the content has been partially reworked and updated to include the following new items: Stones previously given in the Supplement to the Tables (1991) have now been listed in this edition in their appropriate order of