This is a dark colored vial containing about 10 grams of Refractive Index Fluid for use with any gem refractometer.
Comparable to more expensive chemicals, this one is economical.
It works great with any stone up to about 1.80+.
Contained in an amber glass vial, with an applicator in the lid to allow application of a tiny amount.
Does not contain Arsenic.
Because the bottle is fragile, we sealed the rim with WAX in order to protect the liquid inside, This may sometimes appear to be crusted shut. It's not
