Learn to Use a Refractometer (Video)

This refractometer tutorial video will show you how to find a gem's refractive index, birefringence, optic character, and other properties.

Home Learning Center Gemology Gemology ToolsLearn to Use a Refractometer (Video)

By Kyrylo Gubariev, Graduate Gemologist (GG, AJP), Addison Rice, updated on June 4, 2020

Are you having trouble taking refractometer readings? This tutorial video will demonstrate how to determine a gemstone's refractive index, optic character, and other properties with this instrument. Your refractometer can provide important clues for accurate gemstone identification.

Interested in this topic?

This article is also a part of our Gemology Tools Mini Course, in the unit Measuring Optical Properties.

View the Course

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By Kyrylo Gubariev, Graduate Gemologist (GG, AJP), Addison Rice, updated on June 4, 2020

Are you having trouble taking refractometer readings? This tutorial video will demonstrate how to determine a gemstone's refractive index, optic character, and other properties with this instrument. Your refractometer can provide important clues for accurate gemstone identification.

Interested in this topic?

This article is also a part of our Gemology Tools Mini Course, in the unit Measuring Optical Properties.

View the Course

Premium Content - Membership Required - Learn More

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By Kyrylo Gubariev, Graduate Gemologist (GG, AJP), Addison Rice, updated on June 4, 2020

Are you having trouble taking refractometer readings? This tutorial video will demonstrate how to determine a gemstone's refractive index, optic character, and other properties with this instrument. Your refractometer can provide important clues for accurate gemstone identification.