Description This compact spectroscope is great to help determine the spectra of your stones. View your stone through the spectroscope to determine ...
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Description Polariscopes are used to check if cut or rough gemstones or minerals are singly or doubly refractive. The light turns on and off by twi...
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Description Chelsea Filter helps to identify certain blue, red and green stones. Hold the filter to your eye like you would a jeweler's loupe, and ...
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Description Dichroscope is a tool used for viewing different colors of a pleochroic stone or rough. Can be used by stone cutters to help see the di...
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