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10 of 11 people found the following review helpful
on August 5, 2011
The Spectroscope was great to use for identifying stones. It was easy to learn how to use it. I highly recommend it if stone identification is something you plan to do a lot, especially for locating a garnet among other similarly colored stones. The Garnet having so much Carbon, blocks out huge areas of the spectrum. A case and point was that I used my new Spectroscope to ID a wrongly labeled Pink Garnet that had been sold as a "Tourmaline". If I hadn't had the Spectroscope I would not have caught the error and therefore would have been wrongly charged for the cost of the stone.
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5 of 5 people found the following review helpful
on April 3, 2012
I purchased this spectroscope for gemological applications but have also found it useful for general spectroscopy. I have found this very useful for qualitatively assessing light sources. It is very easy to see the differences between incandescent, CFL and white LED sources. It's clearly important to start with a full spectrum light source when assessing gemstones.
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5 of 5 people found the following review helpful
on May 4, 2012
This item gives you a vague idea of the spectrum, but it is hard to see it all due to the small eyepiece. Rubies and Spinel are easy but others are more difficult to see. Spend the money and buy a better one.
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2 of 3 people found the following review helpful
on June 1, 2013
This diffraction grating device produced strong, clear spectra, but it lacks a numerical scale to identify the wavelength of specific lines. Makes it hard to compare measured spectra to references. I'd like it to be more quantitative than qualitative.
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on December 3, 2013
This is a great little field tool to have if you are going gem hunting. It definitely saved my butt a few times when negotiating with others over legitimacy or not and prices for stones. I am never leaving home on a hunt without this guy!
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1 of 5 people found the following review helpful
on January 27, 2013
useless with out the spectral reference chart, I rigged up a flash light with tape and shield to view the gem, but they all looked the same and no chart to verify reading.
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