This is a dark colored vial containing about 10 grams of Refractive Index Fluid for use with any gem refractometer. Contained in an amber glass vial, with an applicator in the lid to allow application of a tiny amount.

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This is a dark colored vial containing about 10 grams of Refractive Index Fluid for use with any gem refractometer. Contained in an amber glass vial, with an applicator in the lid to allow application of a tiny amount.

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