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This item is temporarily Out of Stock.
Gemstone Characterization without Instruments
The Hodgkinson Method will not tell you what a gemstone is, but it can often instantaneously tell you what it is not. It should be the first test you make before starting your identification process.
This very affordable set of cards will, incredibly, teach you how to use your own eyes to approximate:
Look at it as the most affordable "Refractometer" out there!
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I have read references to this method, but never really found anything that would help me learn it.
I am very excited to have found such a well written synopsis of what to do and look for when training your eyes to truly tell you what you are looking at! Unknown on Jun 22nd 2016