Gemological

Dual Loupe 4 Gem, Magnifying Glass Triplet 10x & 20x $5.99

GEM Gemstone Diffraction Spectroscope, Spectrascope $35.35

GEM Gemstone Refractometer Refractive Index Fluid 1.800 $19.99

GEM Gemstone Refractometer Refractive Index Fluid 1.81 $56.99

GEM Gemstone Refractometer Refractive Index Fluid 1.81 Arsenic Free, Made in USA Condition: New $74.99