Author Archives: admin
How to take R.I. readings for better gemstone identification
Have you ever wondered if you got the “real deal” when you purchased a gemstone from someone or if the gems you just purchased at an estate sale are real? Becoming proficient in the use of a Gemological Refractometer like … Continue reading
Oregon Sunstone–Copper Schiller
Oregon Sunstone gets it’s color from copper platelets embedded in the feldspar. The cutter must orient the natural stone just right in order to get the best display of this phenomena. This is a piece we mined recently from the … Continue reading
Blue Spinel–Flame Fusion
This was my first exercise in using this lab created material. Polishing, while still maintaining calibration, proved to be quite the challenge. Because I’m dealing with expensive equipment and materials, I’ve always been hesitant to go to the studio if … Continue reading
Congratulations, David K. Clegg – Registered Gemologist Appraiser
http://www.schoolofgemology.com/ISGCommunity/content.php?298-Certificates-and-Diplomas-for-20-Sept-2012