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| We provide gem testing instrument tool case. It can contain a whole set of gem testing instruments and the handle is designed to convenient to carry the case to wherever you want to go, we will never miss and tool and do a better job.... |
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| This filter is designed to transmit only deep red and yellow-green light (best obtained under strong electric light). Just hold the filter close to your eye and look at the stones. Multiple stones can be viewed at once. It is helpful with identifyin... |
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| The spectroscope is an important tool of the modern gemmologist. This concerns the infrared or near infrared spectroscopes. A handheld spectroscope for visible light shows the absorption lines of the elements involved in producing its color. It hel... |
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