The Gemmological Association of Great Britain (Gem-A)

I stopped by Gem A in  London's historic Hatton Garden last night to have some fun looking at beautiful gemstones. Getting some refresher knowledge from the longest established gemological teaching organization in the world.

Using the basic tools of the trade, and following their motto "Do every test you can on every stone you have", Gem Testing with the Spectroscope had me thinking like a proton and staying positive!

Rule of Thumb: The Bigger the stone and  the darker the color, the better.

Using a London Dichroscope while in London is like
eating a croissant in Paris-delicious, and authentic.
A vibrant royal blue saphire


Post a Comment