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Gem Identification Filters

Model: YQ-630
An essential device in identifying colored stones. While it was originally intended to rapidly differentiate between genuine Emeralds and the pastes and doublets which resemble them, it also is a valuable aid in identifying other colored stones, as well. Designed to transmit only deep red and yellow..
Ex Tax:$19.00
Model: YQ-631
Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Using YQ-631 is as simple as holding the filter close to your eye, look at the stones, examine your gems and reveal the..
Ex Tax:$19.00
Brand: HAD Model: YQ-688
Dichroscope & Spectroscope   Including  Loupe Gem Polariscope  Jadeite Filter Dichroscope Identification of gem specimens Torch(Daylight & UV Light) Foldable design with rechargeable daylight   ..
Ex Tax:$130.00
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