Refractive Index (Ri) Liquid
The most reliable brand R.I liquid on the market. Used with refractometers for measuring the refractive index for identification of gemstones. Sold in 10g bottle. R.I=1.81.
The most reliable brand R.I liquid on the market. Used with refractometers for measuring the refractive index for identification of gemstones. Sold in 10g bottle. R.I=1.81.