Grating spectroscope is an important tool of the modern gemmologist. This concerns the infrared or near infrared spectroscopes. 1. The spectroscope is an important tool of the modern gemologist.This concerns the infrared or near infrared spectroscopes.2. A handheld spectroscope...

Hearts and Arrows Scope, ha loupe, HA Scope, Loupes, Scopes.ha scopes,ha viewer diamond viewer MODEL:GIHS-1Sizes:60mm*25mmMost popular used deluxe hearts & arrows scopes, made of metalln the lower part, top part made of acylic frog finish, best give away gifts for jewelry...

1.apply: gemologist 2.type: hand held 3.colour: black 4.Leather package 1.The spectroscope is an important tool of the modern gemologist.This concerns the infrared or near infrared spectroscopes.2.A handheld spectroscope for visible light shows the absorption lines of the...

Gem refractometer RGM-700 was equipped with a built-in light source.It is characterized by small volume and less weight. * The  kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent...

1.Model: RGM-700 2. Range:1.30-1.81RI 3.Size:115 x 35 x 63mm The  kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive index.Besides, index of double of refraction can be...

Gemological refractometer RGM-600 can be used for measuring Refractive index of Gemstone or Ore. 1. The kinds of gem can be precisely determined in accordance with the measured valueof refractive index because every kind of gem has its inherent refractive index. Besides, index of...

Hardness pencil is a good tool for gemstones.it is used to test the gemstone's hardness.   Product Name: Hardness PencilThe scale in increasing order of resistance to abrasion1.  TALE2.  GYPSUM3.  CALCITE4.  FLUORITE5.  APATITE6. ...

1. characterized :small volume less weight 2. measured value of refractive index 3. testing light source 5LEDs 1. The gem refractometer can be precisely determined  in accordance with the measured value of refractive index. Because every kind of gem has its inherent...

Gem refractometer RGM-900 is a professional model for issuing the certificate for gemstones. professional model Gemological refractometer RGM900 can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent...

Gem refractometer RGM-700 was equipped with a built-in light source.It is characterized by small volume and less weight. * The  kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent...