Gemlab.UK         Gemmological Research and Education       

                                                                                                                                                                                                                                                                       

 

SPECTROSCOPY  

Use of the Direct Vision Spectroscope with a Microscope

SPECTRA DATABASE  

Images and Descriptions of Absorption and Emission Spectra

THROUGH MY SPECTROSCOPE

Spectra of special interest  presented and discussed

 

COLOUR FILTERS

The application of colour filters in gem testing.

NEWS 

An update on the latest additions or alterations to this site

ABOUT THE AUTHOR

John S. Harris Engraver and Gemmologist

 

 

DECLARATION OF COPYRIGHT

The images and text shown on this web site are the sole intellectual property of John S. Harris. and may not be copied, transmitted, or used in any way without permission.

Permission may be granted for non-profit use in education and research in which case please apply to John Harris at  jsh@gemlab.co.uk

LINK  The Scottish Gemmological Association  www.scotgem.co.uk

 

Copyright John S. Harris 2000-2015