Gemology for faceters #1– #4

By L. Bruce Jones

DownLoad the .pdf: Gemology for Faceters #1-#4.pdf

The above file consists of the first four articles on Gemology For Faceters:

1. 1.Equipment Introduction
   

2. 2.The Refractometer
   

3. 3.The Spectroscope
   

4. 4.Magnification: Loupe & Microscope