Gemstone GEM Refractometer - Gemology Gemologist GIA Jorgenson FOR MORE DETAILS ON EVANS

FOR MORE DETAILS ON EVANS WATERLESS COOLANT

Scale# 009

MASTER-20T Specs:

The process is intended to mitigate human health hazards

Refractometers have been proven time and time again to be more accurate than hydrometers or reagent test strips for testing urine

Gemstone GEM Refractometer - Gemology Gemologist GIA Jorgenson FOR MORE DETAILS ON EVANSRGM 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"