11: Equipment used to Identify Gemstones Last updated Save as PDF Page ID3241 Contributed by gemologyGemology Project 11.01: Introduction11.02: 10x Loupe11.03: Spectroscope11.04: Refractometer11.05: Polariscope11.06: Dichroscope11.07: Immersion Cell11.08: Color Filters11.09: Microscope11.10: Hydrostatic Balance11.11: Heavy Liquids