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Question: question

by leeuwenstein | July 16, 2012 10:58 | #2823

I ' AM INTERSTING IN SPECTRA'S OF GEMSTONES I'am a gemmologist. How can I upload my picture ?

And how can I my references good for my mobile spectrometer I mean the nanometers sg picture screen


Hi, Leeuwenstein - I recommend you don't yet use the mobile spectrometer (which is experimental) but the desktop version:

Once you have built it, you can follow instructions here:

They are a little out of date but will be updated soon and mostly work fine. Calibration info is here:

Good luck, spectrally analyzing gemstones sounds very interesting. You might try using an ultraviolet light.

In general, you'll find a lot of info and data on:

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