Refractometer in Gemology: A Simple Guide to R.I. Measurement
Learn how to use a refractometer in gemology for accurate refractive index (R.I.) measurement. Understand requirements, limits, and information you can obtain from flat and curved gemstone surfaces. Refractometer: How It Works A refractometer is an optical instrument based on the principle of total internal reflection.It measures the refractive index (R.I.) of gemstones and other […]
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