Gemstone GEM Refractometer - Gemology Gemologist GIA Jorgenson Scale# 009

Scale# 009

The filling solution will be diluted and the electrode response will be slow

THIS IS THE MOST ACCURATE TS REFRACTOMETER IN THE WORLD

sapphire from sapphire look-alikes

Simply place a drop or two of urine in the stainless-steel sample well and press a button

Gemstone GEM Refractometer - Gemology Gemologist GIA Jorgenson Scale# 009RGM 700 Portable Gemological Refractometer w a 3. 6ml Vial of 1. 800RI Fluid Comes with EASY TO FOLLOW instructions! Written by our staff, not converted from another language! Comes with a Gemstone Refractive Index Chart! Comes in a black zipper case! Comes with 3. 6ml of 1. 800 Refractive Index Fluid MORE THAN ANY OTHER SELLER! Product Specs: Range: 1. 30 1. 81 Refractive Index (RI) Resolution: + 0. 01 RI Accuracy: + 0. 01 RI Dimension: 4. 5" x 1. 5"