GemSpectr : the NEW application dedicated to gemology - GoyaLab 

We are GoyaLab, a french innovative startup who invented the GoSpectro : the FIRST device who transforms a smartphone or a tablet into a portable spectrometer.
Discover now the FIRST application who allows to compare in real time gems spectrum. Thanks to a database of the most common gems spectrum.
Rediscover gemology with the new free GemSpectr application ! Available on Google Play and soon on the App Store.
Use the GoSpectro with the GemSpectr application.