0.003 Accuracy Portable 1.85 Gemological Refractometer FGR-003A
                                         
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                                            ...gemological refractometer FGR-003A Model number: FGR-003A Type Testers & Measurements Testing scale 1.35-1.85 Accuracy 0.003 Color Black Size 120mm*42mm*80mm Power supply Unique built-in lithium battery power supply, fully charged can keep the refractometer......                                         
                                        
                                            Shenzhen Fable Jewellery Technology Co., Ltd.
                                         
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Aluminum Alloy Gemological Refractometer Gemstone Testing Instrument FGR-003
                                         
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                                            ... of a gemstone, which often gives vital clues to the identity of a gemstone. Fable brand Refractometer provides a numerical reading from a scale you see when you look through the eyepiece and determine whether a stone with single or double refracting by...                                         
                                        
                                            Ningbo Vanco Instrument Co.,Ltd
                                         
                                        
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Jewelry Handheld Gemological Refractometer Precise Instrument 30*70*130mm
                                         
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                                            Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which measures the refractive indices of stones. It has a pull out eyepiece and a high quality lens that gives ......                                         
                                        
                                            Fuzhou Lindian Technology Development CO.,LTD
                                         
                                        
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Gem Test Kit Jewelry Microscope Handheld Polariscope A24.6356
                                         
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                                            ... A24.6356-B Gemological Lab Special For Students And Gemologists A24.6356 Gem Test Kit A24.6356-A Travel Lab A24.6356-B Gemological Lab A24.6321-A Handheld Refractometer A24.6321-B Handheld Refractometer Handheld Polariscope Handheld Spectroscope Handheld Spectroscope......                                         
                                        
                                            Opto-Edu (Beijing) Co., Ltd.
                                         
                                        
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